Explore topic-wise MCQs in Arithmetic Ability.

This section includes 924 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

251.

What is the measure of the smaller of the two angles formed between the hour hand and the minute hand of a clock when it is 6:44 p.m?

A. 62.5 deg
B. 62 deg
C. 84 deg
D. 83.5 deg
Answer» C. 84 deg
Discussion
252.

What is the measure of the central angle of the sector whose area is 462 sq cm and radius of the circle is 21 cm?

A. 90°
B. 60°
C. 30°
D. 120°
Answer» E.
Discussion
253.

What is the measure of central angle of the arc whose length is 11 cm and radius of the circle is 14 cm?

A. 45°
B. 60°
C. 75°
D. 90°
Answer» B. 60°
Discussion
254.

What is the measure of an interior angle of a regular decagon?

A. 120°
B. 140°
C. 144°
D. 150°
Answer» D. 150°
Discussion
255.

What is the measure of an interior angle of a regular polygon of 10 sides?

A. 150
B. 156
C. 144
D. 160
Answer» D. 160
Discussion
256.

What is the measure of an exterior angle of a regular polygon of 6 sides?_x005F_x000D_

A. 45 deg
B. 60 deg
C. 40 deg
D. 36 deg
Answer» C. 40 deg
Discussion
257.

What is the measure of an exterior angle of a regular polygon of 10 sides?

A. 30
B. 24
C. 36
D. 20
Answer» D. 20
Discussion
258.

What is the length of the side of an equilateral triangle, if its area is 36√3 sq cm?

A. 6 cm
B. 24 cm
C. 12 cm
D. 18 cm
Answer» D. 18 cm
Discussion
259.

What is the maximum number of common tangents which can be drawn to the circle, if the distance between the circles is equal to the sum of their radii?_x005F_x000D_

A. 0
B. 1
C. 3
D. 4
Answer» D. 4
Discussion
260.

What is the length of the side of an equilateral triangle, if its area is 64√3 sq cm?

A. 8 cm
B. 16 cm
C. 16√3 cm
D. 8√3 cm
Answer» C. 16√3 cm
Discussion
261.

What is the measure (in degree) of an exterior angle of a regular polygon of 9 sides?

A. 36
B. 40
C. 30
D. 24
Answer» C. 30
Discussion
262.

What is the length of the side of a regular hexagon, if its area is 54√3 sq cm?

A. 12 cm
B. 9 cm
C. 6 cm
D. 15 cm
Answer» D. 15 cm
Discussion
263.

What is the length of the longest pole which can be kept in a room 12 m long, 4 m broad and 3 m high  ?

A. 13 m
B. 14 m
C. 15 m
D. 16 m
Answer» B. 14 m
Discussion
264.

What is the length of the arc whose central angle is 30° and radius of the circle is 21 cm?

A. 22 cm
B. 16.5 cm
C. 11 cm
D. 28 cm
Answer» D. 28 cm
Discussion
265.

What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ?

A. 844
B. 814
C. 840
D. 820
Answer» C. 840
Discussion
266.

What is the least number of squares tiles required to pave the floor of a room 15.17 m long and 9.02 m broad?

A. 814
B. 714
C. 614
D. 713
Answer» B. 714
Discussion
267.

What is the length of diagonal, if area of a rectangle is 168 sq.cm and breadth is 7 cm?

A. 24 cm
B. 15 cm
C. 17 cm
D. 25 cm
Answer» E.
Discussion
268.

What is the area of the square, if the length of its diagonal is 13√2 units?

A. 104 sq.units
B. 169 sq.units
C. 338 sq.units
D. 676 sq.units
Answer» C. 338 sq.units
Discussion
269.

What is the equation of the line whose y-intercept is -3 and makes an angle of 45° with the positive x-axis?

A. x - y = -3
B. x + y = 3
C. x - y = 3
D. x + y = -3
Answer» D. x + y = -3
Discussion
270.

What is the area of a triangle whose vertices are A( - 4, - 2),B( - 3, - 5) and C(3, -2)?_x005F_x000D_  _x005F_x000D_

A. 12 sq units
B. 10 sq units
C. 7.5 sq units
D. 10.5 sq units
Answer» E.
Discussion
271.

What is the area of this trapezoidal garden? (All measurements are in cm)_x005F_x000D_ _x005F_x000D_

A. 60 sq.cm
B. 180 sq.cm
C. 210 sq.cm
D. 240 sq.cm
Answer» E.
Discussion
272.

What is the area of an obtuse angled triangle given below with two sides are 8 and 12 and the angle included between two sides is 150 deg?

A. 48 sq units
B. 24 sq units
C. 12 sq units
D. 6 sq units
Answer» C. 12 sq units
Discussion
273.

What is the area of a triangle whose sides are 3 cm, 5 cm and 4 cm?_x005F_x000D_

A. 3 sq.cm
B. 2√6 sq.cm
C. 6 sq.cm
D. 2√3 sq.cm
Answer» D. 2√3 sq.cm
Discussion
274.

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

A. 36√3
B. 9
C. 36
D. 9√3
Answer» E.
Discussion
275.

What is the area (in sq cm) of an equilateral triangle of side 14 cm?

A. 49√3
B. 98√3
C. (49/2)√3
D. (49/4)√3
Answer» B. 98√3
Discussion
276.

What is the area (in square units) of the figure enclosed by the graphs of the lines x = -4, x = 2, y = -2 and y = 3?

A. 12
B. 24
C. 15
D. 60
Answer» D. 60
Discussion
277.

What is the area (in sq cm) of a regular hexagon of side 6 cm?

A. 27√3
B. 54√3
C. 54
D. 27
Answer» C. 54
Discussion
278.

What is the area (in sq cm) of a rectangle of perimeter 90 cm and breadth 20 cm?

A. 500
B. 400
C. 250
D. 450
Answer» B. 400
Discussion
279.

What is the area (in sq cm) of a rhombus if the lengths of the diagonals are 12 cm and 14 cm?

A. 42
B. 168
C. 84
D. 63
Answer» D. 63
Discussion
280.

What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?

A. 140
B. 480
C. 240
D. 440
Answer» B. 480
Discussion
281.

What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?

A. 500
B. 250
C. 125
D. 200
Answer» C. 125
Discussion
282.

What is the area (in sq cm) of a rectangle if its diagonal is 51 cm and one of its sides is 24 cm?

A. 540
B. 810
C. 1080
D. 360
Answer» D. 360
Discussion
283.

What is the area (in sq cm) of a circle whose circumference is 26.4 cm?

A. 55.44
B. 44.55
C. 33.44
D. 44.33
Answer» B. 44.55
Discussion
284.

What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?

A. 186
B. 144
C. 132
D. 168
Answer» E.
Discussion
285.

What is the area (in sq cm) of a rectangle if its diagonal is 26 cm and one of its sides is 10 cm?

A. 120
B. 240
C. 360
D. 480
Answer» C. 360
Discussion
286.

What is the area (in sq cm) of a circle whose circumference is 22 cm?

A. 77
B. 38.5
C. 44
D. 88
Answer» C. 44
Discussion
287.

What is the angle between centripetal acceleration and tangential acceleration?

A. 90°
B. 45°
C. 0°
D. 180°
Answer» B. 45°
Discussion
288.

What is the area (in cm2) of the circumcircle of a triangle whose sides are 6 cm, 8 cm and 10 cm respectively?

A. 275/7
B. 550/7
C. 2200/7
D. 1100/7
Answer» C. 2200/7
Discussion
289.

What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?

A. (-2,-2)
B. (-2,2)
C. (2,2)
D. (2,-2)
Answer» D. (2,-2)
Discussion
290.

Two identical hemispheres of maximum possible size are cut from a solid cube of side 14 cm. The bases of the hemispheres are part of the two opposite faces of cube. What is the total volume (in cm3) of the remaining part of the cube?

A. 1556.33
B. 898.5
C. 1467.33
D. 1306.67
Answer» E.
Discussion
291.

Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be

A. 0.13 m
B. 0.4 m
C. 0.3 m
D. 0.41 m
Answer» D. 0.41 m
Discussion
292.

Two equal circles intersect so that their centres, and the points at which they intersect form a square of side 1 cm. The area (in sq.cm) of the portion that is common to the circles is

A. π4
B. π2-1
C. π5
D. √2 - 1
Answer» C. Ï€5
Discussion
293.

Two equal circles intersect each other at point A and B, whose centers are O and O’. OO’ = 24 mm and AB = 10 mm, then find the area (in sq. mm) of the circle._x005F_x000D_

A. 530.66
B. 520.66
C. 510.33
D. 500.33
Answer» B. 520.66
Discussion
294.

Two circles touch each other at point X. A common tangent touch them at two distinct points Y and Z. If another tangent passing through X cut YZ at A and XA= 16 cm, then what is the value (in cm) of YZ?

A. 18
B. 24
C. 16
D. 32
Answer» E.
Discussion
295.

Two concentric circles form a ring. The inner and outer circumference of the ring are 352/7 m and 528/7m respectively.Find the width of the ring.

A. 5
B. 4
C. 3
D. 2
Answer» C. 3
Discussion
296.

Triangle ABC is similar to triangle PQR and AB : PQ = 2 : 3. AD is the median to the side BC in triangle ABC and PS is the median to the side QR in triangle PQR. What is the value of (BD/QS)2?

A. 44319
B. 44443
C. 44257
D. 44381
Answer» C. 44257
Discussion
297.

Triangle PQR is inscribed in the circle whose radius is 14 cm. If PQ is the diameter of the circle and PR = 10 cm, then what is the area of the triangle PQR?

A. 196
B. 30√19
C. 40√17
D. 35√21
Answer» C. 40√17
Discussion
298.

Triangle PQR is such that PQ = 9 cm, QR = 6 cm, PR = 7.5 cm and triangle PQR is similar to triangle XYZ. If XY = 18 cm, find the value of YZ.

A. 15 cm
B. 18 cm
C. 12 cm
D. 9 cm
Answer» D. 9 cm
Discussion
299.

Triangle ABC as shown in figure has line XY parallel to the BC and the line BY is the bisector of angle XYC. Which of the following option is correct?_x005F_x000D_

A. BC=XY
B. BC=YC
C. BC=BY
D. XY=BX
Answer» C. BC=BY
Discussion
300.

Three medians AD, BE and CF of ΔABC intersect at G; Area of ΔABC is 36 sq cm. Then the area of ΔCGE is

A. 12 sq cm
B. 6 sq cm
C. 9 sq cm
D. 18 sq cm
Answer» C. 9 sq cm
Discussion