3977 + Mcqs in Applied Mathematics Page 57 McqOptions

2801.	Q: Deepanshu lent Rs. 8400 to Jaipal for 15 years and Rs. 5100 to Kareem for 14 years on simple interest at the same rate of interest and received Rs. 17766 in all from both of them as interest. The rate of interest per annum is
A.	0.105
B.	0.09
C.	0.095
D.	0.1
Answer» C. 0.095

Discussion

2802.	Q: Deepak starts the month of February with provisions expected to last for the entire month. After few days, he find that the provisions will be short by 10 days and it is calculated that if the provisions left is immediately tripled, it will complete the shortfall. If the provisions left is doubled instead of being tripled, and simultaneously the diet of the Deepak is decreased by 20%, then the provisions will fall short by-
A.	8
B.	10
C.	5.5
D.	6
E.	Cannot be determined
Answer» F.

Discussion

2803.	Q: Daljit lent Rs.10800 to Jabir for 3 years and Rs.7500 to Kabir for 2 years on simple interest at the same rate of interest and received Rs.1422 in all from both of them as interest . The rate of interest per annum is
A.	0.03
B.	0.045
C.	0.035
D.	0.04
Answer» B. 0.045

Discussion

2804.	Q: D, E, F are the mid - points of the sides BC, CA and AB respectively of a ΔABC. Then the ratio of the areas of DEF and ΔABC is D, E, F.
A.	$$ {1\over2}$$
B.	$$ {1\over3}$$
C.	$$ {1\over4}$$
D.	$$ {1\over5}$$
Answer» D. $$ {1\over5}$$

Discussion

2805.	Q: Cost price of 25 chairs equals the selling price of 20 chairs. Find the profit %.
A.	0.2
B.	0.33
C.	0.25
D.	0.125
Answer» D. 0.125

Discussion

2806.	Q: Costs of two articles were in the ratio of 16: 23. The cost of first articles increases by 10% and that of second by Rs.477. Now the costs of two articles are in a ratio of 11: 20. The price of the second article (in Rs.) in the beginning was-
A.	1219
B.	2142
C.	1556
D.	1225
Answer» B. 2142

Discussion

2807.	Q: Cost of fencing a circular plot at the rate of Rs.15 per m is Rs.3300. what will be the cost of flooring the plot at the rate of Rs.100 per square metre?
A.	385000
B.	220000
C.	350000
D.	Cannot be determined
E.	None of these
Answer» B. 220000

Discussion

2808.	Q: Cost of 8 pencils, 5 pens and 3 erasers is Rs.111. Cost of 9 pencils, 6 pens and 5 erasers is Rs.130. Cost of 16 pencils, 11 pens and 3 erases is Rs. 221 What is the Cost (in Rs) of 39 pencil , 26 pens and 13 erasers ?
A.	316
B.	624
C.	546
D.	482
Answer» D. 482

Discussion

2809.	Q: Cost of a stone varies directly as the square of its weight. A stone broke into four pieces with their weights in the ratio 1 : 2 : 3: 4. If the loss in the total value of the stone was Rs.7000, the price of the original stone was
A.	Rs. 150000
B.	Rs.175000
C.	Rs.100000
D.	Rs.140000
Answer» D. Rs.140000

Discussion

2810.	Q: Cost of a diamond varies directly as the square of its weight. A diamond broke into four pieces with their weights in the ratio 1 : 2 : 3: 4. If the loss in the total value of the diamond was Rs.7000, the price of the original diamond was
A.	Rs.100000
B.	Rs.140000
C.	Rs. 150000
D.	Rs.175000
Answer» B. Rs.140000

Discussion

2811.	Q: Cost of 36 pens and 42 Pencils is Rs 460. What is the cost of 18 pens and 21 pencils?
A.	230
B.	203
C.	302
D.	320
E.	None of these
Answer» B. 203

Discussion

2812.	Q: Cost of 24 bats and 32 sticks is Rs 5600. What is the price of 3 bats and 4 sticks?
A.	Rs 1400
B.	Rs 2800
C.	Rs 700
D.	Data Inadequate
E.	None of these
Answer» D. Data Inadequate

Discussion

2813.	Q: Cost of 18 shirts and 45 trousers is Rs 68,400. What is the cost of 10 shirts and 25 trousers?
A.	Rs 38,000
B.	Rs 36,000
C.	Rs 34,200
D.	Rs 36,200
E.	None of these
Answer» B. Rs 36,000

Discussion

2814.	Q: $$ {Cos^4θ +Sin^4θ}={2 \over3} $$ then the value of $$ {Cos^2θ -Sin^2θ+1}$$?
A.	$$ {13 \over15} $$
B.	$$ {14\over15} $$
C.	$$ {15 \over14} $$
D.	$$ {15 \over13} $$
Answer» E.

Discussion

2815.	Q: Compounding interest means interest accrues
A.	at variable rates throughout the term
B.	more quickly than simple interest
C.	more slowly than simple interest
D.	at the same rate as simple interest
Answer» C. more slowly than simple interest

Discussion

2816.	Q: Compared to the month of January, what is the percentage of decrease in accidents in the month of February?
A.	25
B.	24
C.	30
D.	27
Answer» C. 30

Discussion

2817.	Q: Chandu bought a watch at 20 percent discount on mark price but sold it at mark price. Find the percentage of profit.
A.	0.25
B.	0.2
C.	0.18
D.	0.3
Answer» B. 0.2

Discussion

2818.	Q: C.I. on a certain sum is Rs.1261 in 3 years at 5%. Find the sum?
A.	5000
B.	10000
C.	8000
D.	9000
Answer» D. 9000

Discussion

2819.	Q: C can do a work alone in 120 days. B is twice as efficient as C and A is thrice as efficient as B. In how many days can they work Finish together?
A.	16.67
B.	13.33
C.	12.5
D.	15
Answer» C. 12.5

Discussion

2820.	Q: By what percent total population of city A is more or less than that of city D?
A.	0.45
B.	0.35
C.	0.7
D.	0.3
E.	0.6
Answer» E. 0.6

Discussion

2821.	Q: By what percent female population in park D is more or less than the male population in park E?
A.	0.15
B.	0.0909
C.	0.1111
D.	0.1428
E.	0.125
Answer» F.

Discussion

2822.	Q: By what number, is the number of accidents that occurred in April is greater than the average number of Accidents that occurred during the 6 months period?
A.	13.17
B.	8
C.	9
D.	11
Answer» B. 8

Discussion

2823.	Q: By what percent does the vacancies got increased in year 2016 from 2011?
A.	0.8
B.	1
C.	0.6
D.	0.4
Answer» C. 0.6

Discussion

2824.	Q: By what fraction selling price ( S.P. ) must be multiplied to get the cost price ( C.P. ) if the loss is 20%?
A.	$${5\over4}$$
B.	$${6\over5}$$
C.	$${4\over5}$$
D.	$${8\over5}$$
Answer» B. $${6\over5}$$

Discussion

2825.	Q: By what least number should 4320 be multiplied so as to obtain a number which is perfect cube?
A.	60
B.	80
C.	40
D.	50
Answer» E.

Discussion

2826.	Q: By selling an article for Rs. 700 a man lost 30 %. At what price should he have sold it to gain 30%?
A.	Rs . 910
B.	Rs . 1200
C.	Rs . 1232
D.	Rs . 1300
Answer» E.

Discussion

2827.	Q: By selling an article for Rs. 320, a man incurs a loss of 20%, what should be the selling price of an article to gain 30%?
A.	Rs. 520
B.	Rs. 690
C.	Rs. 550
D.	Rs. 440
Answer» B. Rs. 690

Discussion

2828.	Q: By selling an article for Rs. 19.50, a dealer makes a profit of 30%. By how much should he increase his S.P. so as to make a profit of 40%?
A.	Rs. 1.50
B.	Rs. 1.75
C.	Rs. 2
D.	Rs. 3
Answer» B. Rs. 1.75

Discussion

2829.	Q: By selling a pen for Rs 105 there is a loss of 30%. At what price (in Rs) the pen must be sold in order to gain 30%?
A.	215
B.	165
C.	195
D.	200
Answer» D. 200

Discussion

2830.	Q: By selling a table for Rs. 350 instead of Rs. 400, loss percent increases by 5%. The cost price of table is :
A.	Rs. 1, 050
B.	Rs. 417.50
C.	Rs. 435
D.	Rs. 1,000
Answer» E.

Discussion

2831.	Q: By Selling 90 pens for Rs. 80 a man loses 20%. What should be the selling price (in Rs.) of 90 pens for 20% profit?
A.	90
B.	100
C.	110
D.	120
Answer» E.

Discussion

2832.	Q: By selling a bicycle for Rs. 2,850 a shopkeeper gain 14%. If the profit is reduced to 8 %, then the selling price will be
A.	Rs. 2,800
B.	Rs. 3,000
C.	Rs. 2,600
D.	Rs. 2,700
Answer» E.

Discussion

2833.	Q: By selling 66 metres cloth, a man loses S.P. of 11 metres. What is the loss percent?
A.	$$ {14{2\over 7}}{\%}$$
B.	$$ {28{2\over 7}}{\%}$$
C.	$$ {19{2\over 7}}{\%}$$
D.	$$ {17{2\over 7}}{\%}$$
Answer» B. $$ {28{2\over 7}}{\%}$$

Discussion

2834.	Q: By selling 90 chocolates for Rs. 160, a chocolate trader loses 20%. How many chocolates should he sell for Rs. 96 to make a profit of 20%?
A.	45
B.	36
C.	54
D.	28
Answer» C. 54

Discussion

2835.	Q: By selling 25 m of cloth a man gains the selling price of 5 m of cloth. Find the gain percent?
A.	0.25
B.	0.2
C.	0.3
D.	0.22
Answer» B. 0.2

Discussion

2836.	Q: By selling 15 mangoes, a fruit seller gains the selling price of 3 mangoes. His gain is
A.	0.25
B.	0.16
C.	0.24
D.	0.27
Answer» B. 0.16

Discussion

2837.	Q: By reducing the circumference of a circle by 50 percent, by what percentage will its area decrease?
A.	0.125
B.	0.25
C.	0.75
D.	0.5
Answer» D. 0.5

Discussion

2838.	Q: By selling 100 pencils, a shopkeeper gains the selling price of 20 pencils, His gain percent is:
A.	0.2
B.	0.25
C.	0.15
D.	0.12
Answer» C. 0.15

Discussion

2839.	Q: By mixing water a man gains the profit of 11 1/9 % . Find the quantity of water mixed by him.
A.	1/9 liters
B.	1/8 liters
C.	1/10 liters
D.	1/11 liters
Answer» B. 1/8 liters

Discussion

2840.	Q: By mistake instead of dividing Rs.117 among A,B and C in the ration $${1\over2}:{1\over3}:{1\over4} $$. it was divided in the ratio of 2:3:4. Who gains the most and by how much?
A.	A, 28
B.	B, 3
C.	C, 20
D.	C, 25
Answer» E.

Discussion

2841.	Q: By increasing the radius of a sphere by 50 percent, how much will the area of its surface increase?
A.	1
B.	1.25
C.	1.5
D.	None of these
Answer» C. 1.5

Discussion

2842.	Q: By a selling basket for Rs. 19.50, a shopkeeper gains 30 %. For how much should he sell it to gain 40 %?
A.	Rs.24
B.	Rs.23
C.	Rs.21
D.	Rs.21.50
Answer» D. Rs.21.50

Discussion

2843.	Q: Bhuvnesh has drawn an angle of measure 4507’ when he was asked to draw an angle of 450. The percentage error in his drawing is
A.	0.005
B.	0.01
C.	0.015
D.	0.02
Answer» C. 0.015

Discussion

2844.	Q: Between which two years is the rate of decrement in vacancies is maximum?
A.	2013-2014
B.	2012-2015
C.	2012-2014
D.	2012-2013
Answer» E.

Discussion

2845.	Q: Base of the right prism is an equilateral triangle. If its height reduced to one-fourth and each side of the base is tripled, then the ratio of the volumes of the old prism to the new prism is-
A.	04:09:00
B.	09:04:00
C.	07:09:00
D.	05:07:00
Answer» B. 09:04:00

Discussion

2846.	Q: Base of a right-angle triangle is 9 cm and its area is 81 sq cm. Find its height.
A.	36 cm
B.	9 cm
C.	27 cm
D.	None of these
Answer» E.

Discussion

2847.	Q: Base of a right pyramid is a square. The length of diagonal of the base is $$ {12\sqrt{2}}$$ cm. If each lateral surface of the pyramid is an equilateral triangle, then its volume (in cu.cm) is
A.	$$ {288\sqrt{3}}$$
B.	$$ {208\sqrt{2}}$$
C.	$$ {288\sqrt{2}}$$
D.	288
Answer» B. $$ {208\sqrt{2}}$$

Discussion

2848.	Q: Bananas are bought at 3 for Rs. 2 and sold at 5 for Rs. 4. Find the gain or loss percent.
A.	0.25
B.	0.2
C.	0.3
D.	0.15
Answer» C. 0.3

Discussion

2849.	Q: Balls of marbles of diameter 1.4 cm are dropped into a cylindrical beaker containing some water and fully submerged. The diameter of the beaker is 7 cm. Find how many marbles have been dropped in it if the water rises by 5.6 cm?
A.	50
B.	150
C.	250
D.	350
Answer» C. 250

Discussion

2850.	Q: B is 20% more efficient than A. A started the work and work for x days and then A is replaced by B. B completed the remaining work in x+8 days. Ratio of the work done by A and B is 2:3. In how many days A and B working together can complete the whole work?
A.	$$36{7\over11}$$
B.	35
C.	$$36{4\over11}$$
D.	None of these
Answer» D. None of these

Discussion

Explore topic-wise MCQs in Mathematics.

Q: Deepanshu lent Rs. 8400 to Jaipal for 15 years and Rs. 5100 to Kareem for 14 years on simple interest at the same rate of interest and received Rs. 17766 in all from both of them as interest. The rate of interest per annum is

Q: Daljit lent Rs.10800 to Jabir for 3 years and Rs.7500 to Kabir for 2 years on simple interest at the same rate of interest and received Rs.1422 in all from both of them as interest . The rate of interest per annum is

Q: D, E, F are the mid - points of the sides BC, CA and AB respectively of a ΔABC. Then the ratio of the areas of DEF and ΔABC is D, E, F.

Q: Cost price of 25 chairs equals the selling price of 20 chairs. Find the profit %.

Q: Costs of two articles were in the ratio of 16: 23. The cost of first articles increases by 10% and that of second by Rs.477. Now the costs of two articles are in a ratio of 11: 20. The price of the second article (in Rs.) in the beginning was-

Q: Cost of fencing a circular plot at the rate of Rs.15 per m is Rs.3300. what will be the cost of flooring the plot at the rate of Rs.100 per square metre?

Q: Cost of 8 pencils, 5 pens and 3 erasers is Rs.111. Cost of 9 pencils, 6 pens and 5 erasers is Rs.130. Cost of 16 pencils, 11 pens and 3 erases is Rs. 221 What is the Cost (in Rs) of 39 pencil , 26 pens and 13 erasers ?

Q: Cost of a stone varies directly as the square of its weight. A stone broke into four pieces with their weights in the ratio 1 : 2 : 3: 4. If the loss in the total value of the stone was Rs.7000, the price of the original stone was

Q: Cost of a diamond varies directly as the square of its weight. A diamond broke into four pieces with their weights in the ratio 1 : 2 : 3: 4. If the loss in the total value of the diamond was Rs.7000, the price of the original diamond was

Q: Cost of 36 pens and 42 Pencils is Rs 460. What is the cost of 18 pens and 21 pencils?

Q: Cost of 24 bats and 32 sticks is Rs 5600. What is the price of 3 bats and 4 sticks?

Q: Cost of 18 shirts and 45 trousers is Rs 68,400. What is the cost of 10 shirts and 25 trousers?

Q: $$ {Cos^4θ +Sin^4θ}={2 \over3} $$ then the value of $$ {Cos^2θ -Sin^2θ+1}$$?

Q: Compounding interest means interest accrues

Q: Compared to the month of January, what is the percentage of decrease in accidents in the month of February?

Q: Chandu bought a watch at 20 percent discount on mark price but sold it at mark price. Find the percentage of profit.

Q: C.I. on a certain sum is Rs.1261 in 3 years at 5%. Find the sum?

Q: C can do a work alone in 120 days. B is twice as efficient as C and A is thrice as efficient as B. In how many days can they work Finish together?

Q: By what percent total population of city A is more or less than that of city D?

Q: By what percent female population in park D is more or less than the male population in park E?

Q: By what number, is the number of accidents that occurred in April is greater than the average number of Accidents that occurred during the 6 months period?

Q: By what percent does the vacancies got increased in year 2016 from 2011?

Q: By what fraction selling price ( S.P. ) must be multiplied to get the cost price ( C.P. ) if the loss is 20%?

Q: By what least number should 4320 be multiplied so as to obtain a number which is perfect cube?

Q: By selling an article for Rs. 700 a man lost 30 %. At what price should he have sold it to gain 30%?

Q: By selling an article for Rs. 320, a man incurs a loss of 20%, what should be the selling price of an article to gain 30%?

Q: By selling an article for Rs. 19.50, a dealer makes a profit of 30%. By how much should he increase his S.P. so as to make a profit of 40%?

Q: By selling a pen for Rs 105 there is a loss of 30%. At what price (in Rs) the pen must be sold in order to gain 30%?

Q: By selling a table for Rs. 350 instead of Rs. 400, loss percent increases by 5%. The cost price of table is :

Q: By Selling 90 pens for Rs. 80 a man loses 20%. What should be the selling price (in Rs.) of 90 pens for 20% profit?

Q: By selling a bicycle for Rs. 2,850 a shopkeeper gain 14%. If the profit is reduced to 8 %, then the selling price will be

Q: By selling 66 metres cloth, a man loses S.P. of 11 metres. What is the loss percent?

Q: By selling 90 chocolates for Rs. 160, a chocolate trader loses 20%. How many chocolates should he sell for Rs. 96 to make a profit of 20%?

Q: By selling 25 m of cloth a man gains the selling price of 5 m of cloth. Find the gain percent?

Q: By selling 15 mangoes, a fruit seller gains the selling price of 3 mangoes. His gain is

Q: By reducing the circumference of a circle by 50 percent, by what percentage will its area decrease?

Q: By selling 100 pencils, a shopkeeper gains the selling price of 20 pencils, His gain percent is:

Q: By mixing water a man gains the profit of 11 1/9 % . Find the quantity of water mixed by him.

Q: By mistake instead of dividing Rs.117 among A,B and C in the ration $${1\over2}:{1\over3}:{1\over4} $$. it was divided in the ratio of 2:3:4. Who gains the most and by how much?

Q: By increasing the radius of a sphere by 50 percent, how much will the area of its surface increase?

Q: By a selling basket for Rs. 19.50, a shopkeeper gains 30 %. For how much should he sell it to gain 40 %?

Q: Bhuvnesh has drawn an angle of measure 4507’ when he was asked to draw an angle of 450. The percentage error in his drawing is

Q: Between which two years is the rate of decrement in vacancies is maximum?

Q: Base of the right prism is an equilateral triangle. If its height reduced to one-fourth and each side of the base is tripled, then the ratio of the volumes of the old prism to the new prism is-

Q: Base of a right-angle triangle is 9 cm and its area is 81 sq cm. Find its height.

Q: Base of a right pyramid is a square. The length of diagonal of the base is $$ {12\sqrt{2}}$$ cm. If each lateral surface of the pyramid is an equilateral triangle, then its volume (in cu.cm) is

Q: Bananas are bought at 3 for Rs. 2 and sold at 5 for Rs. 4. Find the gain or loss percent.

Q: Balls of marbles of diameter 1.4 cm are dropped into a cylindrical beaker containing some water and fully submerged. The diameter of the beaker is 7 cm. Find how many marbles have been dropped in it if the water rises by 5.6 cm?

Q: B is 20% more efficient than A. A started the work and work for x days and then A is replaced by B. B completed the remaining work in x+8 days. Ratio of the work done by A and B is 2:3. In how many days A and B working together can complete the whole work?