Quantitative Aptitude - Arithmetic Ability Questions

Q:

Pipes A and B, when working together, can fill an empty tank in 8 hours. If B is stopped after 2 hours, it will take a total of 11 hrs to fill the tank. How long would it take A to fill the empty tank alone?

 

A) 15 hrs B) 12 hrs
C) 13 hrs D) 16 hrs
 
Answer & Explanation Answer: B) 12 hrs

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

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Q:

If PA and PB are two tangents to a circle with centre O such that APB = 80°. Then AOP = 

A) 40° B) 50°
C) 60° D) 70°
 
Answer & Explanation Answer: B) 50°

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

The standard deviation of the set {10, 11, 12, 9, 8} is

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

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Filed Under: Probability
Exam Prep: Bank Exams

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Q:

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

A) CUD B) SIP
C) SET D) NTR
 
Answer & Explanation Answer: D) NTR

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

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

A) 12 B) 24
C) 80 D) 48
 
Answer & Explanation Answer: A) 12

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

30% of a number exceeds 25% of the same number by 27. What is the value of the number?

A) 540 B) 270
C) 108 D) 90
 
Answer & Explanation Answer: A) 540

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

If a.sin 45°.cos 45°.tan60° = tan 245° ­ cos60° then find the value of a ?

A) 13 B) 3
C) 1 D) 32
 
Answer & Explanation Answer: A) 13

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If (tanA + tanB)/(1 ­ tanAtanB) = x, then the value of x is

A) tan(A + B) B) tan(A -­ B)
C) cot(A + B) D) cot(A ­- B)
 
Answer & Explanation Answer: A) tan(A + B)

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Filed Under: Simplification
Exam Prep: Bank Exams

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