2251 + Mcqs in Number System Page 39 McqOptions

1901.	In how many different ways can the letters of the word 'DETERMINE' be arranged ?
A.	60480
B.	61480
C.	62480
D.	63480
Answer» B. 61480

Discussion

1902.	If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ?
A.	7
B.	8
C.	9
D.	10
Answer» D. 10

Discussion

1903.	In how many different ways can the letters of the word 'FRUGAL'be arranged ?
A.	515
B.	556
C.	660
D.	720
Answer» E.

Discussion

1904.	If a + b = 16 and ab = 68, what is the value of a² + b² ?
A.	112
B.	116
C.	120
D.	124
Answer» D. 124

Discussion

1905.	What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ?
A.	75
B.	76
C.	77
D.	78
Answer» B. 76

Discussion

1906.	If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number?
A.	1/5
B.	2/5
C.	3/5
D.	4/5
Answer» C. 3/5

Discussion

1907.	When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ?
A.	44
B.	45
C.	46
D.	47
Answer» D. 47

Discussion

1908.	How many numbers up to 100 and 300 are divisible by 11?
A.	22
B.	21
C.	20
D.	18
Answer» E.

Discussion

1909.	ind the number, difference between number and its 3/5 is 50
A.	120
B.	123
C.	124
D.	125
Answer» E.

Discussion

1910.	How many numbers up to 200 are divisible by 2 and 3 both?
A.	35
B.	33
C.	29
D.	27
Answer» C. 29

Discussion

1911.	Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number
A.	5
B.	15
C.	7.5
D.	4
Answer» B. 15

Discussion

1912.	How many numbers up to 100 are divisible by 7?
A.	14
B.	107
C.	93
D.	100
Answer» B. 107

Discussion

1913.	20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ?
A.	5800
B.	5976
C.	6000
D.	6080
Answer» E.

Discussion

1914.	(12)² - (4.4)² - (0.04)² = ?
A.	124.6384
B.	125.6384
C.	129.6384
D.	131.6384
Answer» B. 125.6384

Discussion

1915.	If the difference between a number and its 2/5 is 240, find the number.
A.	360
B.	400
C.	440
D.	480
Answer» C. 440

Discussion

1916.	What should come in place of question mark (?)? 8 : 1 1 : : 72:
A.	79
B.	89
C.	99
D.	109
Answer» D. 109

Discussion

1917.	What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ?
A.	75
B.	76
C.	77
D.	78
Answer» B. 76

Discussion

1918.	If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ?
A.	1/9
B.	2/7
C.	3/4
D.	7/5
Answer» E.

Discussion

1919.	The difference between 68% of a number and 35% of the same number is 1216. What is 28% of the number ?
A.	1027.75
B.	1031.75
C.	1037.75
D.	1043.75
Answer» C. 1037.75

Discussion

1920.	What is 25/2% of 482 times of 183 ?
A.	11025.75
B.	11050.75
C.	12025.75
D.	12025.50
Answer» B. 11050.75

Discussion

1921.	If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ?
A.	101
B.	111
C.	121
D.	131
Answer» D. 131

Discussion

1922.	The product of two consecutive position odd numbers is 6723. What is the smaller number?
A.	71
B.	74
C.	79
D.	83
Answer» E.

Discussion

1923.	In how many different ways can the letters of the word FORMULATE be arranged ?
A.	362880
B.	372880
C.	382880
D.	392880
Answer» B. 372880

Discussion

1924.	The sum of 8 consecutive odd numbers is 656. Also average of four consecutive even numbers is 87. What is the sum of the smallest odd number and second largest even number ?
A.	158
B.	160
C.	163
D.	167
Answer» D. 167

Discussion

1925.	Sum of square of first number and cube of second number together is 568. Also square of the second number is 15 less than square of 8. What is the value of three-fifth of the first number ?
A.	6
B.	7
C.	8
D.	9
Answer» E.

Discussion

1926.	If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ?
A.	3/9
B.	4/9
C.	5/9
D.	6/9
Answer» C. 5/9

Discussion

1927.	The product of two consecutive odd numbers is 6723. Find is the greater number.
A.	77
B.	80
C.	83
D.	85
Answer» D. 85

Discussion

1928.	96% of a number is 19584 What is 56% of that number ?
A.	11424
B.	11524
C.	11624
D.	11724
Answer» B. 11524

Discussion

1929.	What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4
A.	36
B.	37
C.	38
D.	39
Answer» C. 38

Discussion

1930.	The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ?
A.	Rs. 926
B.	Rs. 945
C.	Rs. 986
D.	Rs. 1054
Answer» E.

Discussion

1931.	The product of two consecutive odd numbers is 4095 What is the greater number ?
A.	61
B.	65
C.	69
D.	74
Answer» C. 69

Discussion

1932.	A number consists of two digits whose sum is 8. If 18 is subtracted from the number, the place of digits get interchanged. Find the number.
A.	32
B.	46
C.	35
D.	53
Answer» E.

Discussion

1933.	What least number should be added to 8602 to make it a perfect square ?
A.	36
B.	41
C.	47
D.	51
Answer» D. 51

Discussion

1934.	In how many different ways can the letters of the word TEST be arranged ?
A.	12
B.	24
C.	36
D.	48
Answer» B. 24

Discussion

1935.	If the sum of four consecutive numbers is 370, which the following is the third lowest number among them
A.	89
B.	90
C.	91
D.	92
Answer» E.

Discussion

1936.	A number when multiplied by five times of itself give the value equal to 1445. What is the number ?
A.	15
B.	16
C.	17
D.	18
Answer» D. 18

Discussion

1937.	If 35% of a number is 899.5, what is 68% of that number ?
A.	1547.6
B.	1747.6
C.	1847.6
D.	2247.6
Answer» C. 1847.6

Discussion

1938.	If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ?
A.	660
B.	720
C.	780
D.	840
Answer» B. 720

Discussion

1939.	√(17)² + (17)² + (5)² - 2 = ?
A.	16
B.	17
C.	18
D.	19
Answer» E.

Discussion

1940.	(√6 + 1)² = ? + 2√6
A.	5
B.	6
C.	7
D.	8
Answer» D. 8

Discussion

1941.	(3² x 4² x 5) ÷ 36 = (?)² - 80
A.	10
B.	12
C.	14
D.	16
Answer» B. 12

Discussion

1942.	An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white ?
A.	89/190
B.	90/190
C.	91/190
D.	92/190
Answer» D. 92/190

Discussion

1943.	The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number ?
A.	37
B.	38
C.	39
D.	40
Answer» C. 39

Discussion

1944.	√2704 x √2209 = ?
A.	2414
B.	2424
C.	2434
D.	2444
Answer» E.

Discussion

1945.	A trader sells 40 metres of cloth for Rs 8,200 at a profit of Rs 25 per metre of cloth. How much profit will the trader earn on 40 metres of cloth ?
A.	Rs. 600
B.	Rs. 800
C.	Rs. 1,000
D.	Rs. 1,200
Answer» D. Rs. 1,200

Discussion

1946.	450% of a number is 4725. What is 82% of that number ?
A.	841
B.	851
C.	861
D.	871
Answer» D. 871

Discussion

1947.	Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999
A.	480
B.	485
C.	490
D.	495
Answer» C. 490

Discussion

1948.	If x + y = 61 and xy = 888, What is the value of x²+ y² ?
A.	1945
B.	1955
C.	1965
D.	1975
Answer» B. 1955

Discussion

1949.	If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ?
A.	8/5
B.	7/5
C.	3/5
D.	1/5
Answer» B. 7/5

Discussion

1950.	The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ?
A.	37
B.	38
C.	39
D.	40
Answer» E.

Discussion

Explore topic-wise MCQs in Digital Circuits.

In how many different ways can the letters of the word 'DETERMINE' be arranged ?

If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ?

In how many different ways can the letters of the word 'FRUGAL'be arranged ?

If a + b = 16 and ab = 68, what is the value of a² + b² ?

What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ?

If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number?

When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ?

How many numbers up to 100 and 300 are divisible by 11?

ind the number, difference between number and its 3/5 is 50

How many numbers up to 200 are divisible by 2 and 3 both?

Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number

How many numbers up to 100 are divisible by 7?

20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ?

(12)² - (4.4)² - (0.04)² = ?

If the difference between a number and its 2/5 is 240, find the number.

What should come in place of question mark (?)? 8 : 1 1 : : 72:

What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ?

If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ?

The difference between 68% of a number and 35% of the same number is 1216. What is 28% of the number ?

What is 25/2% of 482 times of 183 ?

If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ?

The product of two consecutive position odd numbers is 6723. What is the smaller number?

In how many different ways can the letters of the word FORMULATE be arranged ?

The sum of 8 consecutive odd numbers is 656. Also average of four consecutive even numbers is 87. What is the sum of the smallest odd number and second largest even number ?

Sum of square of first number and cube of second number together is 568. Also square of the second number is 15 less than square of 8. What is the value of three-fifth of the first number ?

If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ?

The product of two consecutive odd numbers is 6723. Find is the greater number.

96% of a number is 19584 What is 56% of that number ?

What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4

The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ?

The product of two consecutive odd numbers is 4095 What is the greater number ?

A number consists of two digits whose sum is 8. If 18 is subtracted from the number, the place of digits get interchanged. Find the number.

What least number should be added to 8602 to make it a perfect square ?

In how many different ways can the letters of the word TEST be arranged ?

If the sum of four consecutive numbers is 370, which the following is the third lowest number among them

A number when multiplied by five times of itself give the value equal to 1445. What is the number ?

If 35% of a number is 899.5, what is 68% of that number ?

If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ?

√(17)² + (17)² + (5)² - 2 = ?

(√6 + 1)² = ? + 2√6

(3² x 4² x 5) ÷ 36 = (?)² - 80

An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white ?

The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number ?

√2704 x √2209 = ?

A trader sells 40 metres of cloth for Rs 8,200 at a profit of Rs 25 per metre of cloth. How much profit will the trader earn on 40 metres of cloth ?

450% of a number is 4725. What is 82% of that number ?

Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999

If x + y = 61 and xy = 888, What is the value of x²+ y² ?

If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ?

The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ?