What is the value of 48 ÷ 6 × 4 − 15 + 3²?
Correct answer C. 26
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Maths MCQs & Aptitude MCQs
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What is the value of 3/4 + 5/6 − 7/12?
Correct answer D. 1
What is the value of 0.25 × 0.4 + 1.2 ÷ 0.3?
Correct answer B. 4.1
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What is the value of 72 ÷ ?
Correct answer C. 6
What number should replace the blank in 45% of 360 + ____ = 250?
Correct answer A. 88
What number should replace the blank in ____ × 14 = 1176 ÷ 3?
Correct answer D. 28
From a point on level ground 50 m away from the foot of a vertical tower, the angle of elevation of the top of the tower is 45°. What is the height of the tower?
Correct answer D. 50 m
When the angle of elevation of the sun is 60°, a vertical pole casts a shadow 12 m long on level ground. Taking √3 = 1.732, what is the height of the pole?
Correct answer D. 20.78 m
A point on level ground is 63 m from the foot of a minaret. The angle of elevation of the top of the minaret from this point is 30°. Taking √3 = 1.732, what is the height of the minaret?
Correct answer A. 36.37 m
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A ladder 18 m long rests against a vertical wall and makes an angle of 60° with the level ground. Taking √3 = 1.732, how high up the wall does the top of the ladder reach?
Correct answer C. 15.59 m
A cylindrical pillar has a diameter of 70 cm and a height of 6 m. What is the cost of painting its curved surface at Rs. Taking π = 22/7, 25 per square metre?
Correct answer B. Rs. 330
The inside of a hemispherical dome of radius 7 m is to be whitewashed at Rs. 12 per square metre. Taking π = 22/7, what is the cost?
Correct answer D. Rs. 3,696
An open cubical tank (without a lid) has an edge of 1.5 m. What is the cost of painting its outer surface, excluding the base it stands on and the open top, at Rs. 40 per square metre?
Correct answer B. Rs. 360
Water flows through a pipe of internal radius 3.5 cm at a speed of 2 m per second. Taking π = 22/7, how many litres of water flow out in one minute?
Correct answer A. 462 litres
Water flows at 5 km/h through a pipe of internal radius 7 cm into a rectangular tank 50 m long and 44 m wide. Taking π = 22/7, in how many hours will the water level in the tank rise by 21 cm?
Correct answer A. 6 hours
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A water tank is a cuboid 2.5 m long, 1.6 m wide and 1.2 m deep. How many litres of water can it hold?
Correct answer A. 4,800 litres
Each edge of a cube is increased by 50%. By what percentage does its total surface area increase?
Correct answer A. 125%
If the radius of a sphere is doubled, how many times its original volume does the new volume become?
Correct answer A. 8 times
The radius of a cylinder is halved and its height is doubled. What happens to its volume?
Correct answer D. It is halved
A cylindrical vessel holds 1386 cu cm of milk. What is the volume of a cone with the same base radius and the same height?
Correct answer D. 462 cu cm