Quantitative Aptitude - Arithmetic Ability Questions

Q:

The sum of radii of the two circles is 91 cm and the difference between their area is 2002 cm2 . What is the radius (in cm) of the larger circle?

A) 56 B) 42
C) 63 D) 49
 
Answer & Explanation Answer: D) 49

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Filed Under: Volume and Surface Area
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Q:

If 1+y16-74, then the value of 5y-15

A) 110 B) 130
C) 150 D) 160
 
Answer & Explanation Answer: C) 150

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Q:

A and B can complete a task in 20 days, B and C can complete it in 30 days while C and A can do the same task together in 24 days. How many days will each of and C take to complete the task individually? 

 

A) 50 and 54  B) 54 and 72 
C) 48 and 80  D) 56 and 64
 
Answer & Explanation Answer: C) 48 and 80 

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Filed Under: Time and Work
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Q:

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

A) (-7 , 2) B) (-3 , -6)
C) (-7 , -2) D) (3 , -6)
 
Answer & Explanation Answer: D) (3 , -6)

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Q:

To cover a certain distance with a speed of 60 km/hr, a train takes 15 hours. If it covers the same distance in 12 hours, what will be its speed?

A) 65 km/h B) 70 km/h
C) 75 km/h D) 80 km/h
 
Answer & Explanation Answer: C) 75 km/h

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Q:

What is the value of cos 4π/3?

A) -1/2 B) √3/2
C) - 1/√2 D) √3/2
 
Answer & Explanation Answer: A) -1/2

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Filed Under: Simplification
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Q:

The number of solutions of the pair of linear equations x + 2y - 8 = 0 and 2x + 4y = 16 is

A) 0 B) 1
C) Infinitely many D) 2
 
Answer & Explanation Answer: A) 0

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Filed Under: Simplification
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Q:

Which is the correct ascending order of the given numbers?

A) 1/3, 4/15, 0.33 B) 1/3, 0.33, 4/15
C) 4/15, 0.33, 1/3 D) 0.33, 4/15, 1/3
 
Answer & Explanation Answer: C) 4/15, 0.33, 1/3

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Filed Under: Numbers
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