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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

A) 180 m/s B) 90 m/s
C) 50 m/s D) 100 m/s
 
Answer & Explanation Answer: C) 50 m/s

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

The ratio between the speeds of two buses is 11:9. If the second bus runs 270 kms in 15 hours, then the speed of the first bus is?

A) 23 km/hr B) 11 km/hr
C) 2 km/hr D) 22 km/hr
 
Answer & Explanation Answer: D) 22 km/hr

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Filed Under: Time and Distance
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Q:

Chandan travelled equal distance with speed of 3 kmph, 4 kmph and 8kmph and takes a total time of 42.5 min. Find the total distance in km.

A) 4 B) 2
C) 1 D) 3
 
Answer & Explanation Answer: D) 3

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Filed Under: Time and Distance
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Q:

Find the odd word/letters/number from the given alternatives.

A) ACEG B) KMNP
C) HJLN D) TVXZ
 
Answer & Explanation Answer: B) KMNP

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Filed Under: Odd Man Out
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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) Igloo B) Den
C) Stables D) Rock
 
Answer & Explanation Answer: D) Rock

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Q:

What is the reflection of the point (-0.5, 6) in the x-axis?

A) (0.5, -6) B) (-6, -0.5)
C) (6, -0.5) D) (-0.5, -6)
 
Answer & Explanation Answer: D) (-0.5, -6)

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Filed Under: Area
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Q:

A man goes to a place on bicycle at speed of 16 km/hr and comes back at lower speed . If the average speed is 6.4 km/hr in total , then the return speed (in km/hr) is

A) 10 B) 8
C) 6 D) 4
 
Answer & Explanation Answer: D) 4

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Q:

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

A) 3 cm B) 1.5 cm
C) 1 cm D) 2.5 cm
 
Answer & Explanation Answer: C) 1 cm

Explanation:

Let, inner radius of cylinder be ‘x’ cm.
4/3 π(6)3 = π × 32 (52 − x2)

or, (4 × 6 × 6 × 6) / (3 × 32) = 25 − x2 or, x2 = 25 − 9
or, x = 4 cm
Hence, thickness = 5 – 4 = 1 cm.

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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