Explore topic-wise MCQs in Arithmetic Ability.

This section includes 804 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

751.

What is the diameter (in cm) of a sphere of surface area 6.16 sq cm?

A. 1.4
B. 0.7
C. 2.8
D. 2.1
Answer» B. 0.7
Discussion
752.

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. 814
B. 820
C. 840
D. 844
Answer» B. 820
Discussion
753.

What is the equation of the line perpendicular to the line 2x + 3y= -6 and having Y-intercept 3?

A. 3x - 2y = 6
B. 3x - 2y = -6
C. 2x - 3y = -6
D. 2x - 3y = 6
Answer» C. 2x - 3y = -6
Discussion
754.

What is the measure of an exterior angle of a regular polygon of 5 sides?_x005F_x000D_

A. 72
B. 60
C. 45
D. 40
Answer» B. 60
Discussion
755.

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

A. 120°
B. 140°
C. 150°
D. 144°
Answer» D. 144°
Discussion
756.

What is the percentage decrease in the area of a triangle if its each side is halved?

A. 0.75
B. 0.5
C. 0.25
D. No change
Answer» B. 0.5
Discussion
757.

What is the ratio between the volumes of a cylinder and cone of the same height and of the same diameter

A. 0.084027777777778
B. 0.12569444444444
C. 0.16736111111111
D. 0.20902777777778
Answer» C. 0.16736111111111
Discussion
758.

What is the measure of an interior angle of a regular polygon of 8 sides?_x005F_x000D_

A. 140
B. 144
C. 135
D. 150
Answer» D. 150
Discussion
759.

What is the reflection of the point (1 , 2) in the line y = 3?

A. (1, -4)
B. (1, 4)
C. (-1, -4)
D. (-1, 4)
Answer» C. (-1, -4)
Discussion
760.

What is the reflection of the point (-3, 1) in the line x = -2?

A. (-1 , 1)
B. (-3 , -5)
C. (1 , 1)
D. (-3 , 5)
Answer» B. (-3 , -5)
Discussion
761.

What is the reflection of the point (-2, 5) in the line x = -1?

A. (-2 , -7)
B. (0 , 5)
C. (2 , 5)
D. (-2 , 7)
Answer» C. (2 , 5)
Discussion
762.

What is the reflection of the point (-4, 3) in the line x = -2?

A. (-4 , -7)
B. (4 , 3)
C. (0 , 3)
D. (-4 , 7)
Answer» D. (-4 , 7)
Discussion
763.

What is the reflection of the point (5 , -1) in the line y = 2?

A. (5, -5)
B. (-5, -5)
C. (5, 5)
D. (-5, 5)
Answer» D. (-5, 5)
Discussion
764.

What is the simplified form of 64288 ?_x005F_x000D_

A. 23
B. 44228
C. 23
D. 33
Answer» B. 44228
Discussion
765.

What is the slope of the line 2x + 3y = 12?

A. 44257
B. 44230
C. -1.5
D. -0.66666666666667
Answer» E.
Discussion
766.

What is the slope of the line parallel to the line passing through the points (6,­3) and (2,­1)?

A. -0.5
B. -1
C. 2
D. 1
Answer» B. -1
Discussion
767.

What is the slope of the line parallel to the line passing through the points (5, -1) and (4, -4)?

A. -3
B. -0.33333333333333
C. 3
D. 44256
Answer» D. 44256
Discussion
768.

What is the slope of the line perpendicular to the line passing through the points (­-4,5) and (3,­-2)?

A. 2
B. 44380
C. -0.42857142857143
D. 1
Answer» E.
Discussion
769.

What is the slope of the line perpendicular to the line passing through the points (­6,3) and (2,7)?

A. -2
B. 2
C. 44228
D. -0.5
Answer» B. 2
Discussion
770.

What is the sum of the measures of all the interior angles of a regular polygon of 6 sides?

A. 1080
B. 1260
C. 1440
D. 720
Answer» E.
Discussion
771.

What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take π = 22/7)

A. 1879.43
B. 3758.86
C. 939.715
D. 2819.145
Answer» B. 3758.86
Discussion
772.

What is the sum of the measures of all the interior angles of a regular polygon of 5 sides?

A. 720
B. 1080
C. 1260
D. 540
Answer» E.
Discussion
773.

What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?

A. 344.35 sq.cm
B. 462 sq.cm
C. 498.35 sq.cm
D. None of these
Answer» D. None of these
Discussion
774.

What is the value of Cot 60°- Cos 45°?

A. (9 - 2√3)/9
B. (2√6 - 1)/√3
C. (1 - 2√3)/2
D. (√2 - √3)/√6
Answer» E.
Discussion
775.

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 120 sq.cm and 8 cm respectively ?

A. 34
B. 17
C. 15
D. 30
Answer» C. 15
Discussion
776.

What part of the volume of a cube is the pyramid whose base is the base of then cube and whose vertex is the center of the cube?

A. 0.16736111111111
B. 0.20902777777778
C. 0.25069444444444
D. 0.29236111111111
Answer» D. 0.29236111111111
Discussion
777.

What will be the sum of the measures all the interior angles of a polygon having 14 sides?

A. 2520°
B. 2160°
C. 2880°
D. 3240°
Answer» C. 2880°
Discussion
778.

Which measurement unit represents volume?

A. milliliter
B. Cubic centimeter
C. Meter cube
D. All of the above
Answer» E.
Discussion
779.

Which of the following condition is True about the similarity of triangle ABC & DEF given below?_x005F_x000D_ _x005F_x000D_

A. 1
B. 2
C. 3
D. none
Answer» B. 2
Discussion
780.

Which of the following condition is sufficient to state that triangle ABC and DEF are similar?_x005F_x000D_

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
Discussion
781.

Which of the following is the CORRECT option for the triangles having sides in the ratio of 3:4:6?

A. Acute angled
B. Obtuse angled
C. Right angled
D. Either acute or right angled
Answer» C. Right angled
Discussion
782.

Which of the following option is CORRECT about the figure shown below?_x005F_x000D_

A. OA – AR = OB + BR
B. OA + AR = OB – BR
C. OA + AR = OB + BR
D. None of these
Answer» D. None of these
Discussion
783.

Which of the following statement is CORRECT about the tangents?_x005F_x000D_

A. The tangents drawn at the end of diameter of a circle are parallel to each other._x005F_x000D_
B. The line segment which joins the point of contact of two parallel tangents to the circle is the diameter of the circle._x005F_x000D_
C. Tangents drawn from the external points subtends equal angle at the center._x005F_x000D_
D. All option are correct._x005F_x000D_
Answer» E.
Discussion
784.

Which of the following triangle is formed when the triangle has all the three medians of equal length?0

A. Scalene
B. Isosceles
C. Equilateral
D. Right angled
Answer» D. Right angled
Discussion
785.

Which of the set of three sides can't form a triangle?

A. 5 cm, 6 cm, 7 cm
B. 5 cm, 8 cm, 15 cm
C. 8 cm, 15 cm, 18 cm
D. 6 cm, 7 cm, 11 cm
Answer» C. 8 cm, 15 cm, 18 cm
Discussion
786.

Which one of the following combination of measurements can form the sides of a triangle?

A. 9 cm, 6 cm, 2 cm
B. 11 cm, 3 cm, 12 cm
C. 3 cm, 5 cm, 8 cm
D. 5 cm, 7 cm, 13 cm
Answer» C. 3 cm, 5 cm, 8 cm
Discussion
787.

wooden bowl is in shape of a hollow hemisphere of internal radius 9 cm and thickness 1 cm. Find the total surface area of the bowl?

A. 1376.58 sq cms
B. 2064.87 sq cms
C. 344.15 sq cms
D. 1197.42 sq cms
Answer» E.
Discussion
788.

A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is:%!

A. 3.6 kg
B. 3.696 kg
C. 36 kg
D. 36.9 kg
Answer» C. 36 kg
Discussion
789.

*$_A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is:?

A. 3.6 kg
B. 3.696 kg
C. 36 kg
D. 36.9 kg
Answer» C. 36 kg
Discussion
790.

*/*_How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm??

A. 5600
B. 6000
C. 6400
D. 7200
Answer» D. 7200
Discussion
791.

*/*_A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m3) is:?

A. 4830
B. 5120
C. 6420
D. 8960
Answer» C. 6420
Discussion
792.

*/*_66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:?

A. 84
B. 90
C. 168
D. 336
Answer» B. 90
Discussion
793.

_ 66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:$?

A. 84
B. 90
C. 168
D. 336
Answer» B. 90
Discussion
794.

_ A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?$?

A. 2 : 1
B. 3 : 2
C. 25 : 18
D. 27 : 20
Answer» D. 27 : 20
Discussion
795.

_ A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:$?

A. 49 m2
B. 50 m2
C. 53.5 m2
D. 55 m2
Answer» B. 50 m2
Discussion
796.

_A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:$?

A. 720
B. 900
C. 1200
D. 1800
Answer» D. 1800
Discussion
797.

What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?$?

A. 344.35 cm2
B. 462 cm2
C. 498.35 cm2
D. None of these
Answer» D. None of these
Discussion
798.

The slant height of a right circular cone is 10 m and its height is 8 m. Find the area of its curved surface.$?

A. 30‚à è m2
B. 40‚à è m2
C. 60‚à è m2
D. 80‚à è m2
Answer» D. 80‚Äö√ √® m2
Discussion
799.

In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:$?

A. 75 cu. m
B. 750 cu. m
C. 7500 cu. m
D. 75000 cu. m
Answer» C. 7500 cu. m
Discussion
800.

In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:?

A. 75 cu. m
B. 750 cu. m
C. 7500 cu. m
D. 75000 cu. m
Answer» C. 7500 cu. m
Discussion