Explore topic-wise MCQs in Arithmetic Ability.

This section includes 450 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

301.

Average of all even numbers between 104 and 148 is __________.

A. 128
B. 130
C. 124
D. 126
Answer» E.
302.

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?

A. 17.26
B. 23.25
C. 26.2
D. 25.45
Answer» B. 23.25
303.

Average of 14 numbers is 32. If the average of last 5 numbers is 26, then what is the average of the remaining numbers?

A. 35.33
B. 41.33
C. 27.5
D. 44.5
Answer» B. 41.33
304.

Average of 10 numbers is 14. If each number is multiplied by 6, then what will be the new average?_x005F_x000D_

A. 70
B. 84
C. 56
D. 92
Answer» C. 56
305.

Average of 11 numbers is 7. If every number is doubled, then what will be the new average of the numbers?

A. 3.5
B. 7
C. 10.5
D. 14
Answer» E.
306.

Average marks obtained by 19 boys of a college is 56. If the highest marks and lowest marks obtained are removed, then the average reduces by 2. What is the average of the highest and lowest marks obtained?_x005F_x000D_

A. 77_x005F_x000D_
B. 69_x005F_x000D_
C. 73_x005F_x000D_
D. 75
Answer» D. 75
307.

Average age of a team having 12 players is 23 years. If the age of the coach is also included, then the average age increases by 2 years. What is the age (inyears) of the coach?

A. 41
B. 47
C. 49
D. 51
Answer» D. 51
308.

An engineering student has to secure 45% marks to pass. He gets 54 and fails by 36 marks. Find the maximum marks.

A. 200 marks
B. 225 marks
C. 250 marks
D. 275 marks
Answer» B. 225 marks
309.

Average age of 20 students is 21 years. 2 students leave the group and 1 new student joins the group. The average now becomes 20 years. If age of one of the student who left the group is 26 years and the one who joined is 20 years, then what is the age (in years) of the other student who left the group?

A. 20
B. 14
C. 22
D. 16
Answer» C. 22
310.

An engineering student has to secure 25% marks to pass. He gets 45 and fails by 45 marks. Find the maximum marks.

A. 385 marks
B. 410 marks
C. 435 marks
D. 360 marks
Answer» E.
311.

An oil refinery buys oil at Rs 3600 per barrel. There is 10% wastage. If the refinery wants to earn 5% profit then at what price should it sell including 8% tax on selling price? (in Rs per barrel)

A. 3674
B. 3711
C. 4219
D. 4536
Answer» E.
312.

An army of 12000 consists of Europeans and Indians. The average height of a European is 5ft 10 inches and that of an Indian is 5ft 9 inches and that of the whole army is 5ft 9 3/4 inches. Then the number of Indians in the army is ?

A. 3000
B. 4000
C. 5500
D. 2700
Answer» B. 4000
313.

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 198, then what is the difference between the first and the third number?

A. 216
B. 297
C. 661
D. 431
Answer» B. 297
314.

Among three numbers, the first is twice the second and thrice the third, If the average of three numbers is 517, then what is the difference between the first and the third number?

A. 564
B. 759
C. 485
D. 799
Answer» B. 759
315.

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 396, then what is the difference between the first and the third number?

A. 594
B. 448
C. 432
D. 453
Answer» D. 453
316.

Among four students sitting in a row, average age of last three students is 20 years and the average age of first three students is 21 years. If the age of first student is 26 years, then what is the age (in years) of the last student?

A. 23
B. 37
C. 24
D. 29
Answer» B. 37
317.

Among four bags, average weight of last three bags is 18 kg and the average weight of first three bags is 19 kg. If the weight of last bag is 22 kg, then what is the weight (in kg) of first bag?_x005F_x000D_

A. 32
B. 24
C. 33
D. 25
Answer» E.
318.

Amithab's average expenditure for the January to June is Rs. 4200 and he spends Rs.1200 in January and Rs.1500 in july.The average expenditure for the months of febraury to July is:

A. Rs. 4250
B. Rs. 4520
C. Rs. 4060
D. None of these
Answer» B. Rs. 4520
319.

After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. What is the difference between the ages of the replaced and the new member ?

A. 12
B. 13
C. 14
D. 15
Answer» E.
320.

After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. The difference between the ages of the replaced and the new members?

A. 16 years
B. 15 years
C. 14 years
D. 13 years
Answer» C. 14 years
321.

After 10 innings the average score per innings of a batsman was 52. After 12 innings the average rose to 54. If the batsman had scored 16 more runs in the 12th innings than in the previous one, how many runs did he score in the 11th innings?_x005F_x000D_  _x005F_x000D_

A. 55
B. 56
C. 54
D. 53
Answer» C. 54
322.

A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points the team scored was

A. 672
B. 665
C. 645
D. 588
Answer» C. 645
323.

A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points, the team scored was :

A. 665
B. 657
C. 658
D. 678
Answer» B. 657
324.

A student's average marks in five subjects is 82. If the average marks of first two subject is 86.5 and the average marks of last two subjects is 84. Find the marks of third subject?

A. 69
B. 67
C. 71
D. 73
Answer» B. 67
325.

A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. What should be the number in place of x ?

A. 6
B. 7
C. 8
D. 9
Answer» C. 8
326.

A student, by mistake, wrote 64 in place of 46 as a number at the time of finding the average of 10 given numbers & got the average as 50. The correct average of the numbers is

A. 48.2
B. 48
C. 48.1
D. 49
Answer» B. 48
327.

A person purchased 10 shirts costing Rs 150 per shirt. Next day  he again purchased the shirts costing Rs 150 per shirt at a discount of Rs 30 per shirt and that day he spent a toal of Rs 1800. What is the average cost per shirt (in Rs)?_x005F_x000D_

A. 125
B. 132
C. 138_x005F_x000D_
D. 144
Answer» C. 138_x005F_x000D_
328.

A motorist travels to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/hr.  His average speed for the whole journey in km/hr is :

A. 35
B. 36
C. 37.5
D. 38.2
Answer» D. 38.2
329.

A man buys 7 shirts at Rs 300 each, 2 trousers at Rs 450 each and 1 pair of shoes at Rs 500 each. What is the average expenditure (in Rs) per article?

A. 210
B. 250
C. 320
D. 350
Answer» E.
330.

A line cuts the x­axis at the point (­3,0) and the y­axis at the point (0,6). What is the equation of the line?

A. x = 2y + 6
B. y = 2x ­- 6
C. x = 2y -­ 6
D. y = 2x + 6
Answer» E.
331.

A librarian purchased 60 story books for his library. But he found that he could get 4 extra books by spending Rs 336 more and then the overall average price per book would be reduced by Re 1. The previous average price of each book was

A. Rs 84
B. Rs 83
C. Rs 68
D. Rs 100
Answer» E.
332.

A grocer has a sale of Rs 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs, 6500 ?

A. 4991
B. 5467
C. 5987
D. 6453
Answer» B. 5467
333.

A group of boys has an average weight of 36 kg. One boy weighing 42 kg leaves the group and another boy weighing 30 kg joins the group. If the average now becomes 35.7 kg, then how many boys are there in the group?

A. 30
B. 32
C. 40
D. 56
Answer» D. 56
334.

A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family ?

A. 31( 5/7)
B. 32 (6/7)
C. 34(4/7)
D. 35(4/9)
Answer» B. 32 (6/7)
335.

A factory buys 8 machines. 3 Machine­A, 4 Machine­B and rest Machine­C. Prices of the machines are Rs 45000, Rs 25000 and Rs 35000 respectively. Calculate the average cost (in Rs) of these machines?

A. 33750
B. 35000
C. 36250
D. 32250
Answer» B. 35000
336.

A factory buys 7 machines. 2 Machine­A, 4 Machine­B and rest Machine­C. Prices of the machines are Rs 56000, Rs 45000 and Rs 30000 respectively. Calculate the average cost of these machines.

A. 46000
B. 43666.66
C. 41333.33
D. 44500
Answer» B. 43666.66
337.

A factory buys 7 machines. 2 Machine A, 2 Machine B and rest Machine C. Prices of the machines are Rs 95000, Rs 75000 and Rs 43000 respectively. Calculate the average cost of these machines?

A. 71000
B. 67000
C. 75000
D. 65500
Answer» C. 75000
338.

A factory buys 10 machines. 2 Machine­A, 3 Machine­B and rest Machine­C. Prices of the machines are Rs 95000, Rs 60000 and Rs 50000 respectively. What is the average cost of these machines?

A. 62000
B. 68333
C. 74666
D. 60500
Answer» B. 68333
339.

A factory buys 10 machines. 1 Machine­A, 4 Machine­B and rest Machine­C. Prices of the machines are Rs 90000, Rs 40000 and Rs 40000 respectively. Calculate the average cost of these machines?

A. 56666.6
B. 68333.3
C. 45000
D. 43500
Answer» D. 43500
340.

A cicketer bas a certain average for 10 innings, In the eleventh inning, he scorod 108 runs, thereby increasing his average by 6 runs. His new average is :

A. 44 runs
B. 46 runs
C. 48 runs
D. 49 runs
Answer» D. 49 runs
341.

A certain factory employed 600 men and 400 women and the average wager was Rs. 25.50 per day, If a woman got Rs. 5 less than a man, then what are their daily wages ?

A. m:25.50 w:27.50
B. m:27.50 w:22.50
C. m:26.50 w:27.50
D. m: 24.50 w:26.50
Answer» C. m:26.50 w:27.50
342.

A boy spends Rs 20 to purchase toffees at Rs 1 each. Next day, he purchased some toffees for Rs 40 with a discount of 50 paise per toffee. What is the average price per toffee (in paise)?

A. 45
B. 60
C. 40
D. 55
Answer» C. 40
343.

A canteen requires 56 kgs of rice for seven days . The quantity of rice required for the months of April and May together is

A. 468 kg
B. 488 kg
C. 498 kg
D. 508 kg
Answer» C. 498 kg
344.

A boy buys 5 pencils at Rs 3 each, 3 erasers at Rs 2 each and 3 sharpeners at Rs 5 each. What is the average expenditure (in Rs) per article?

A. 3.27
B. 3.5
C. 4
D. 5
Answer» B. 3.5
345.

A batsman scores 98 runs in the 17th match of his career. His average runs per match increased by 2.5. What is his average before the 17th match?

A. 58
B. 60.5
C. 63
D. 55.5
Answer» E.
346.

A batsman scores 87 runs in the 21st match of his career. His average runs per match increases by 2. What was his average before the 21st match.

A. 45
B. 46
C. 44
D. 43
Answer» B. 46
347.

A batsman scores 26 runs and increases his average from 14 to 15. Find the runs to be made if he wants top increasing the average to 19 in the same match ?

A. 74
B. 79
C. 72
D. 60
Answer» B. 79
348.

A batsman makes a score of 95 runs in the 13th match and thus increases his average runs per match by 4. What is his average after the 13th match?

A. 47
B. 43
C. 45
D. 49
Answer» B. 43
349.

A batsman makes a score of 81 runs in the 16th match and thus increases his average runs per match by 3. What is his average after the 16th match?

A. 35
B. 34
C. 33
D. 36
Answer» E.
350.

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?

A. 66
B. 61
C. 62
D. 64
Answer» B. 61