Explore topic-wise MCQs in Mental Ability.

This section includes 422 Mcqs, each offering curated multiple-choice questions to sharpen your Mental Ability knowledge and support exam preparation. Choose a topic below to get started.

51.

The weights of 4 boxes are 90, 40, 80 and 50 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 200
B. 260
C. 180
D. 170
Answer» B. 260
52.

The weights of 4 boxes are 90, 30, 40 and 60 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 200
B. 220
C. 180
D. 130
Answer» B. 220
53.

The weights of 4 boxes are 90, 30, 20 and 50 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 190
B. 170
C. 100
D. 150
Answer» E.
54.

The weights of 4 boxes are 70, 50, 30 and 90 kilograms. Which of the following cannot be the total weight,in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 220
B. 240
C. 210
D. 170
Answer» B. 240
55.

The weights of 4 boxes are 80, 60, 90 and 70 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes?

A. 300
B. 230
C. 220
D. 290
Answer» E.
56.

The weights of 4 boxes are 70, 100, 20 and 40 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes?

A. 230
B. 190
C. 160
D. 200
Answer» E.
57.

The weights of 4 boxes are 40, 70, 80 and 50 kilograms.Which of the following cannot be the total weight,in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 240
B. 160
C. 200
D. 220
Answer» E.
58.

The weights of 4 boxes are 40, 30, 50 and 20 kilograms. Which of the following cannot be the total weight,in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 140
B. 130
C. 90
D. 100
Answer» C. 90
59.

The weights of 4 boxes are 30, 70, 60 and 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 250
B. 200
C. 190
D. 220
Answer» C. 190
60.

The weights of 4 boxes are 30, 70, 60 and 20 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 180
B. 190
C. 120
D. 150
Answer» C. 120
61.

The weights of 4 boxes are 30, 20, 60 and 70 kilograms. Which of the following cannot be the total weight,in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 180
B. 170
C. 120
D. 150
Answer» C. 120
62.

The weights of 4 boxes are 30, 40, 50 and 100 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 190
B. 180
C. 160
D. 140
Answer» D. 140
63.

The weights of 4 boxes are 20, 90, 40 and 60 kilograms. Which of the following cannot be the total weight,in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 210
B. 170
C. 190
D. 200
Answer» E.
64.

The weights of 4 boxes are 30, 20, 50 and 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 200
B. 190
C. 140
D. 160
Answer» B. 190
65.

The weights of 4 boxes are 20, 40, 80 and 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 220
B. 230
C. 150
D. 210
Answer» B. 230
66.

The weights of 4 boxes are 20, 40, 50 and 30 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 140
B. 130
C. 90
D. 120
Answer» C. 90
67.

The weights of 4 boxes are 20, 40, 60 and 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 150
B. 170
C. 120
D. 160
Answer» E.
68.

The weights of 4 boxes are 100, 90, 80 and 40 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 200
B. 310
C. 230
D. 210
Answer» B. 310
69.

The weights of 4 boxes are 100, 70, 50 and 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 310
B. 260
C. 230
D. 210
Answer» D. 210
70.

The weights of 4 boxes are 10, 40, 50 and 80 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A. 120
B. 100
C. 90
D. 110
Answer» E.
71.

The sum of three consecutive multiples of 3 is 72. What is the second largest number ?

A. 27
B. 24
C. 21
D. 42
Answer» C. 21
72.

The sum of the interior angles of a polygon is twice the sum of its exterior angles. How many sides does the polygon have ?

A. 6
B. 4
C. 5
D. 7
Answer» B. 4
73.

The sum of three numbers is 98. If the ratio of the first to the second is 2:3. And that of the second to the third is 5:8, then the second number is:

A. 30
B. 27
C. 23
D. 33
Answer» B. 27
74.

The sum of the first 10 prime numbers is

A. even
B. odd
C. 0
D. none
Answer» C. 0
75.

The price of commodity X increases by 60 rupees every year, while the price of commodity Y increases by 20 rupees every year. If in 2002, the price of commodity X was Rs. 320 and that of Y was Rs. 740, in which year commodity X will cost 60 rupees more than the commodity Y ?

A. 2011
B. 2014
C. 2012
D. 2017
Answer» C. 2012
76.

The speed of Duranto is more than the speed of Rajdhani. Shatabdi moves faster than Garib Rath but slower than Rajdhani. Which one is the slowest?

A. Garib Rath
B. Shatabdi
C. Rajdhani
D. Duranto
Answer» B. Shatabdi
77.

The ratio of the present ages of Shreya and her husband is 8 : 9. 9 years from now, ages of her husband and her son will be in the ratio of 9 : 4. If the present age of Shreya is 56 years, then what will be her son’s present age (in years)?

A. 23
B. 24
C. 19
D. 25
Answer» B. 24
78.

The process of collecting, organizing and analyzing data is called

A. Statistics
B. Data collection
C. Probability
D. Systematic evaluation
Answer» B. Data collection
79.

The orthocentre of a triangle lies on one of the sides. Then______

A. The orthocentre lies on a vertex
B. circumcentre lies outside the triangle
C. circumcentre lies on the same side
D. centroid coinsides with orthocente
Answer» B. circumcentre lies outside the triangle
80.

The number of letters that are preceded by a symbol but not followed by a number in the given expression is ___._x005F_x000D_  _x005F_x000D_ SM@A#N2B4O&3C5P+D2

A. 1
B. 3
C. 2
D. 4
Answer» D. 4
81.

The cost of 7 tables and 12 chairs is Rs 48,250. What is the cost of 21 tables and 36 chairs ?

A. Rs. 1,44,750
B. Rs. 2,35,745
C. Rs. 89,489
D. Rs.74,256
Answer» B. Rs. 2,35,745
82.

The following equation is incorrect. Which two signs should be interchanged to correct the equation? 15 x 18 - 6 ÷ 20 + 4 = 29

A.
B. ÷ and -
C.
D. - and +
Answer» C.
83.

The following question is based on the given data for an examination._x005F_x000D_ A. Candidates appeared                 10500_x005F_x000D_ B. Passed in all the five subjects     5685_x005F_x000D_ C. Passed in three subjects only     1498_x005F_x000D_ D. Passed in two subjects only       1250_x005F_x000D_ E. Passed in one subject only           835_x005F_x000D_ F. Failed in English only                       78_x005F_x000D_ G. Failed in Maths only                      275_x005F_x000D_ H. Failed in Physics only                    149_x005F_x000D_ I. Failed in Chemistry only                147_x005F_x000D_ J. Failed in Biology only                     221_x005F_x000D_  _x005F_x000D_ How many candidates passed in at least four subjects ?

A. 6555
B. 5685
C. 1705
D. 870
Answer» B. 5685
84.

The expression of 5008 km in scientific notation is

A. 50.08 x 10^3 kms
B. 5.008 x 10^-3 kms
C. 5.008 x 10^3 kms
D. 500.8 x 10^3 kms
Answer» D. 500.8 x 10^3 kms
85.

The distance around a figure

A. Area
B. Perimeter
C. Volume
D. None of the above
Answer» C. Volume
86.

The complexity of linear search algorithm is

A. O(n2)
B. O(n log n)
C. O(n)
D. O(log n)
Answer» D. O(log n)
87.

The birth rate in India, Nepal, Sri Lanka, Bangladesh and Pakistan was calculated. The birth rate in Nepal is the lowest, while the birth rate in Pakistan is higher than that in Sri Lanka, and lower than that in India. The birth rate in Bangladesh is higher than that in Nepal, and lower than that in Sri Lanka. Which country has the highest birth rate?

A. Bangladesh
B. Pakistan
C. India
D. Sri Lanka
Answer» D. Sri Lanka
88.

The average temperature of a town in the first six days of a month was 41 degC and the sum of the temperatures of the first five days of the same month was 201 degC. What was the temperature on the sixth day of the month?

A. 40 deg C
B. 45 deg C
C. 46 deg C
D. 50 deg C
Answer» C. 46 deg C
89.

The arithmetic mean of the following numbers 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 and 7, 7, 7, 7, 7, 7, 7 is   ?

A. 6
B. 9
C. 7
D. 5
Answer» E.
90.

Sumit wants to get his clothes washed. The laundry service charges in his city are such that for the first kg of clothes, he is charged Rs.150 and after that, he is charged Rs.50 for every kg that follows. If he gets 10kg of clothes washed, how much money does he pay for the laundry service ?

A. Rs 250
B. Rs 450
C. Rs 650
D. Rs 600
Answer» E.
91.

Suraj is shorter than Gopal but taller than Tarun. Rajan is the tallest and Shivam is shorter than Suraj but not the shortest. Who is the third shortest?_x005F_x000D_

A. Gopal
B. Suraj
C. Rajan
D. Shivam
Answer» C. Rajan
92.

Sumitra remembers that her mother's birthday is after 13th February but before 16th February but her brother remembers that his mother's birthday is after 14th February but before 17 th February. On which date Sumitra's mother's birthday will be celebrated?

A. 13th February
B. 14th February
C. 15th February
D. 17th February
Answer» D. 17th February
93.

Study the given pattern carefully and select the number that can replace the question mark (?) in it._x005F_x000D_  _x005F_x000D_ _x005F_x000D_

A. 55
B. 69
C. 205
D. 108
Answer» E.
94.

Study the given pattern carefully and select the number that can replace the question mark (?) in it._x005F_x000D_  _x005F_x000D_ 15      18          ?_x005F_x000D_ 8         9          12_x005F_x000D_ 161    243       432_x005F_x000D_

A. 20
B. 24
C. 22
D. 26
Answer» C. 22
95.

Study the following question and statements, and decide which of the statements is/are sufficient to answer the question._x005F_x000D_ Question:_x005F_x000D_ J, K, L, M, N and O are standing in a row. If we arrange them according to their height from tallest to shortest, who is standing in the third place?_x005F_x000D_ Statements:_x005F_x000D_ 1. L is the tallest_x005F_x000D_ 2. J is taller than K_x005F_x000D_ 3. N is the shortest of all_x005F_x000D_ 4. K is taller than O_x005F_x000D_

A. All the statements are insufficient
B. Statements 1,2 and 3 are sufficient
C. Statements 1,2, 3 and 4 together are sufficient
D. Statements 1 and 3 are sufficient
Answer» B. Statements 1,2 and 3 are sufficient
96.

Study the given pattern carefully and select the number that can replace the question mark (?) in it._x005F_x000D_  _x005F_x000D_ 11   13     17_x005F_x000D_ 33    35    39_x005F_x000D_ 189  191   ?_x005F_x000D_

A. 217
B. 203
C. 199
D. 195
Answer» E.
97.

Study the following information carefully and answer the questions given below it._x005F_x000D_  _x005F_x000D_ There are 6 persons in a family - three males and three females. Out of these, there are two married couples and two persons who are unmarried. Each one of them likes different colour, viz. Blue, Red, Pink, Green, Yellow and white._x005F_x000D_ Seema, who likes Red colour, is Anitha's mother-in-law and Anitha is Raja's wife. Dinesh is Rohan's father and he does not like the blue colour or white colour. Bavya likes the yellow colour and is Rohan's sister, who likes Pink colour, Raja does not use White colour._x005F_x000D_  _x005F_x000D_ How is Rohan related to Seema?

A. Brother
B. Son
C. Father
D. None of these
Answer» C. Father
98.

Study the following information carefully and answer the questions given below it._x005F_x000D_  _x005F_x000D_ There are 6 persons in a family - three males and three females. Out of these, there are two married couples and two persons who are unmarried. Each one of them likes different colour, viz. Blue, Red, Pink, Green, Yellow and white._x005F_x000D_ Seema, who likes Red colour, is Anitha's mother-in-law and Anitha is Raja's wife. Dinesh is Rohan's father and he does not like the blue colour or white colour. Bavya likes the yellow colour and is Rohan's sister, who likes Pink colour, Raja does not use White colour._x005F_x000D_  _x005F_x000D_ Which of the following is one of the married couples?_x005F_x000D_

A. Rohan - Bavya_x005F_x000D_
B. Dinesh - Bavya
C. Dinesh - Seema
D. Rohan - Seema
Answer» D. Rohan - Seema
99.

Study the following information carefully and answer the questions given below it._x005F_x000D_  _x005F_x000D_ There are 6 persons in a family - three males and three females. Out of these, there are two married couples and two persons who are unmarried. Each one of them likes different colour, viz. Blue, Red, Pink, Green, Yellow and white._x005F_x000D_ Seema, who likes Red colour, is Anitha's mother-in-law and Anitha is Raja's wife. Dinesh is Rohan's father and he does not like the blue colour or white colour. Bavya likes the yellow colour and is Rohan's sister, who likes Pink colour, Raja does not use White colour._x005F_x000D_  _x005F_x000D_ Which of the following colours is liked by Anitha?

A. White
B. Yellow
C. Pink
D. Green
Answer» B. Yellow
100.

Smallest prime number greater than 200?

A. 201
B. 205
C. 211
D. 203
Answer» D. 203