Explore topic-wise MCQs in Arithmetic Ability.

This section includes 1365 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

351.

The co-ordinates of the centroid of a triangle ABC are (3,-2). What are the co-ordinates of vertex C if co-ordinates of A and B are (-2,5) and (6,-2) respectively?

A. (-5,-9)
B. (5,-9)
C. (5,9)
D. (-5,9)
Answer» C. (5,9)
Discussion
352.

The average revenues of 13 consecutive years of a company is Rs 70 lakhs. If the average of first 7 years is Rs 65 lakhs and that of last 7 years is Rs 77 lakhs, find the revenue for the 7th year.

A. Rs 86 lakhs
B. Rs 84 lakhs
C. Rs 82 lakhs
D. Rs 80 lakhs
Answer» C. Rs 82 lakhs
Discussion
353.

The average weight of Sudesh, Jyothi and Ritu is 89 kg. If the average weight of Sudesh and Jyothi be 98 kg and that of Jyothi and Ritu be 83 kg, then the weight of Jyothi is

A. 58
B. 56
C. 95
D. 66
Answer» D. 66
Discussion
354.

The average of 100 observations was calculated as 35.It was found later, that one of the observation was misread as 83 instead of 53. The correct average is :

A. 32.7
B. 34.7
C. 35.7
D. 36.7
Answer» C. 35.7
Discussion
355.

The angle of elevation of the top of a tower, vertically erected in the middle of a paddy field, from two points on a horizontal line through the foot of the tower are given to be α and β (α>β). The height of the tower is h unit. A possible distance (in the same unit) between the points is

A. h(cotβ-cotα)cos(α+β)
B. h(cotα - cotβ)
C. h(tanβ - tanα)tanα tanβ
D. h(cotα+cotβ)
Answer» E.
Discussion
356.

The area of the circle with radius Y is W. The difference between the areas of the bigger circle (with radius Y) and that of the smaller circle (with radius X) is W'. So x/y is equal to_x005F_x000D_

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
Discussion
357.

The areas of two similar triangles ΔABC and ΔPQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?

A. 7.25
B. 6.25
C. 16.5
D. 5.25
Answer» D. 5.25
Discussion
358.

The angle of elevation of the top of a tower from two horizontal points (in opposite sides) at distances of 25 meter and 64 meter from the base of tower are x and 90° - x respectively . The height of the tower will be

A. 39 m
B. 89 m
C. 1.6 m
D. 40 m
Answer» E.
Discussion
359.

The average number of visitors of a library in the first 4 days of a week was 58. The average for the 2nd, 3rd, 4th and 5th days was 60.If the number of visitors on the 1st and 5th days were in the ratio 8 : 9. Then what is the number of visitors on the 5th day of the library ?

A. 54
B. 64
C. 68
D. 72
Answer» E.
Discussion
360.

The angle of elevation of the top of a tower from a point A on the ground is 30°. On moving a distance of 20 metres towards the foot of the tower to a point B, the angle of elevation increases to 60°. The height of the tower in meters is

A. √3
B. 5√3
C. 10√3
D. 20√3
Answer» D. 20√3
Discussion
361.

The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?

A. 23
B. 17
C. 20
D. 26
Answer» D. 26
Discussion
362.

The value of315+314+1921+3135-2330 is:_x005F_x000D_

A. 25
B. 13
C. 1235
D. 821
Answer» D. 821
Discussion
363.

tan(A/2) is equal to

A. tanA/(1 + secA)
B. 1/(cosecA + cotA)
C. tanA/(1 + cosecA)
D. 1/(secA + cotA)
Answer» B. 1/(cosecA + cotA)
Discussion
364.

Tan 45° + Cosec 60° =

A. (1 + 2√2)/2
B. (√3 + 2)/√6
C. 5/√3
D. (3 + 2√3)/3
Answer» E.
Discussion
365.

Take away 0.15 from 2.4 and add the result to 7.5. What do you get?_x005F_x000D_

A. 8.75
B. 7.8.75
C. 9.75
D. 6
Answer» D. 6
Discussion
366.

Suppose 0 < θ < 90, then for every θ 4 sin2 θ + 1 is greater than or equal to ?_x005F_x000D_

A. 2
B. 4 sin θ
C. 4 cos θ
D. 4 tan θ
Answer» C. 4 cos θ
Discussion
367.

Sum of twice a fraction and its reciprocal is 17/6. What is the fraction?

A. 44259
B. 44291
C. 44289
D. 44320
Answer» D. 44320
Discussion
368.

Sumit and Amit undertook a work for Rs 7200. Sumit alone can do the work in 5 days and Amit alone can do the work in 4 days. If they work together,then what will be the difference (in Rs.) in the amount they receive?

A. 800
B. 1600
C. 1200
D. 1400
Answer» B. 1600
Discussion
369.

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

A. 44320
B. 44295
C. 44443
D. 44291
Answer» E.
Discussion
370.

Square root of 0.9 is equal to

A. 0.03
B. 0.3
C. 0.9487
D. 0.9463
Answer» D. 0.9463
Discussion
371.

Square of (3x – 5xy) is

A. 9x2 - 30x2y + 25x2y2
B. 9x2 - 15x2y + 25x2y2
C. 25x2 - 15x2y + 9x2y2
D. 25x2 - 30x2y + 9x2y2
Answer» B. 9x2 - 15x2y + 25x2y2
Discussion
372.

Square of (7 ­- 4x) is

A. 16x2 - 28x + 49
B. 49 -­ 28x ­- 16x2
C. 49 - ­ 56x -­ 16x2
D. 16x2 - 56x + 49
Answer» E.
Discussion
373.

Solve : x - 3 = 3x + 7_x005F_x000D_  _x005F_x000D_

A. 5
B. -5
C. 1
D. 44296
Answer» C. 1
Discussion
374.

Solve : (x + 2y) (2x - y)

A. 2x2 + 5xy + 2y2
B. 2x2 + 3xy - 2y2
C. x2 + 4xy + y2
D. x2+ 4xy - y2
Answer» C. x2 + 4xy + y2
Discussion
375.

Solve this inequality 3b - 7 < 32?

A. b = 13
B. b < 13
C. b > = 13
D. b < = 13
Answer» C. b > = 13
Discussion
376.

Solve the following : 80÷[48−56−(60−36÷12×4)]=?_x005F_x000D_

A. 5
B. 8
C. 4
D. 2
Answer» E.
Discussion
377.

Solve this inequality 3p - 16 < 20?

A. p >= 12
B. p <= 11/3
C. p < 12
D. p > 11/3
Answer» D. p > 11/3
Discussion
378.

Solve the following: (−18)[36÷7−(−2)]÷{}(−4)19−(−3)×(−5)={}?

A. -4.5
B. 4.5
C. -2.5
D. 2.5
Answer» C. -2.5
Discussion
379.

Solve the following expression._x005F_x000D_  _x005F_x000D_ 5.6 - [2 + 0.6 of (2.1 - 2.6 x 1.12)]_x005F_x000D_

A. 7.7112
B. 7.7113
C. 4.0871
D. 4.0872
Answer» E.
Discussion
380.

Solve the following expression._x005F_x000D_ 11 + 11 × 11 − 11 ÷ 11_x005F_x000D_  _x005F_x000D_

A. 131
B. 22
C. 11
D. 121
Answer» B. 22
Discussion
381.

Solve the following : 3/4+{3/4 + 3/4 ÷ (3/4 + 3/4)} = ?

A. 0
B. 44289
C. 1
D. 2
Answer» E.
Discussion
382.

Solve the following : 27 - [38 - {46 - (15 - 13 - 2)}]

A. 31
B. 35
C. 30
D. 29
Answer» C. 30
Discussion
383.

Solve the following 7 x {4 + (-2) x (-3)} = ?

A. 14
B. -42
C. -14
D. 70
Answer» E.
Discussion
384.

Solve the following :_x005F_x000D_  _x005F_x000D_  _x005F_x000D_ 24 - [25 - 26 - 27 - 28 - 29¯] = ?_x005F_x000D_  _x005F_x000D_

A. -1
B. 1
C. -3
D. -2
Answer» D. -2
Discussion
385.

Solve the following : -1/4 { -45 - (-96) / (-32)} = ?

A. 12
B. 10.5
C. -12
D. -10.5
Answer» B. 10.5
Discussion
386.

Solve the following :_x005F_x000D_  _x005F_x000D_ (-8) [36 / {7 - (-2)}] / (-4){19 - (-3) x (-5)} = ?

A. 4
B. -4
C. -2
D. 2
Answer» E.
Discussion
387.

Solve the following :_x005F_x000D_  _x005F_x000D_ 72 ÷ 12{15 + 12 - 9 + 6 - 5 + 7¯} = ?_x005F_x000D_

A. 6
B. 9
C. 12
D. 8
Answer» B. 9
Discussion
388.

Solve the following :_x005F_x000D_  _x005F_x000D_ (-6)[40 ÷ 7 - -3] = ?_x005F_x000D_  _x005F_x000D_

A. -24
B. -60
C. 60
D. 24
Answer» B. -60
Discussion
389.

Solve the following._x005F_x000D_  _x005F_x000D_ -4 - (-7 - 12 / 4) = ?

A. -2
B. 6
C. 0.75
D. -14
Answer» C. 0.75
Discussion
390.

Solve the following :_x005F_x000D_  _x005F_x000D_ (-4){19 - (-2) x (-8)} = ?

A. 12
B. -140
C. 140
D. -12
Answer» E.
Discussion
391.

Solve the following_x005F_x000D_  _x005F_x000D_ 36- [18 - {14 - (15 - 4 / 2 x 2)}]_x005F_x000D_  _x005F_x000D_

A. 23
B. 21
C. 20
D. 22
Answer» C. 20
Discussion
392.

Solve the following_x005F_x000D_  _x005F_x000D_ 24/(19 - 9 / 3 x 9) = ?

A. -3
B. -4
C. 3
D. 6
Answer» B. -4
Discussion
393.

Solve the following_x005F_x000D_  _x005F_x000D_ 24 / (20 - 12 / 3 x 8) = ?

A. -2
B. -3
C. 6
D. 3
Answer» B. -3
Discussion
394.

Solve the following :_x005F_x000D_  _x005F_x000D_ 2sin22°cos68° - 2cot75°5tan15° - 8tan45°tan20°tan40°5tan50°tan70°_x005F_x000D_

A. 3
B. 1
C. 2
D. 0
Answer» E.
Discussion
395.

Solve the following_x005F_x000D_  _x005F_x000D_ 23 - [23 - {23 - (23 - 23 + 23)}]_x005F_x000D_

A. -1
B. 23
C. 1
D. 0
Answer» E.
Discussion
396.

Solve the following :_x005F_x000D_  _x005F_x000D_ 123 + 12.3 + 1.23 + 0.123 + 0.0123 = ?

A. 136.7659
B. 136.653
C. 136.6653
D. 136.776
Answer» D. 136.776
Discussion
397.

Solve the following:_x005F_x000D_  _x005F_x000D_ 11 + sinθ + 11 - sinθ = ?_x005F_x000D_

A. 2cos2θ
B. 1
C. 0
D. 2sec2θ
Answer» E.
Discussion
398.

Solve the following :_x005F_x000D_  _x005F_x000D_ 196 - 19.6 - 1.96 - 0.196 = ?_x005F_x000D_

A. 173.254
B. 173.234
C. 174.234
D. 174.244
Answer» E.
Discussion
399.

Solve the following_x005F_x000D_ 78 ÷[-4 + -3 of 27 ÷ -18 ÷ -2]

A. -6
B. 13
C. 6
D. 15.6
Answer» B. 13
Discussion
400.

Solve the following :_x005F_x000D_ 60 ÷ 5 × 16 - 8 ÷ 2 ÷ 3 = ?

A. 3
B. 48
C. 1
D. 44256
Answer» C. 1
Discussion