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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A vendor buys bananas at 9 for Rs 8 and sells at 8 for Rs 9. What will be the profit or loss (in %)?

A) 13.28% profit B) 26.56% loss
C) 26.56% profit D) 13.28% loss
 
Answer & Explanation Answer: C) 26.56% profit

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

What is the value of cosec 11π/6?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Two numbers are 30% and 60% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A) 75 percent B) 42.86 percent
C) 30 percent D) 50 percent
 
Answer & Explanation Answer: A) 75 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Pipes A and B can fill a cistern in 15 hours together. But ifthese pipes operate separately A takes 40 hours less than Bto fill the tank. In how many hours the pipe A will fill thecistern working alone?

A) 60 B) 20
C) 40 D) 15
 
Answer & Explanation Answer: B) 20

Explanation:

Let A takes x hours, then B = (x+40) hours

1/x + 1/x+40 = 1/15

x = 20

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Filed Under: Pipes and Cistern

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Q:

Find the odd one out ?

A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

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Filed Under: Odd Man Out

4 2697
Q:

If (1 + cosA)/2 = x, then the value of x is

A) sin(A/2) B) √sin(A/2)
C) √cos(A/2) D) cos2(A/2)
 
Answer & Explanation Answer: D) cos2(A/2)

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Filed Under: Simplification
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Q:

If cotA + cotB = x, then value of x is

A) (cotAcotB + 1)/(cotB - cotA) B) (cotAcotB + 1)/(cotB + cotA)
C) (cotAcotB - 1)/(cotB + cotA) D) (cotAcotB - 1)/(cotB - cotA)
 
Answer & Explanation Answer: C) (cotAcotB - 1)/(cotB + cotA)

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Filed Under: Simplification
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Q:

A certain sum of money was divided between A, B and C in the ratio 5:6:9. If A received Rs. 450 the sum divided was

A) 2000 B) 1800
C) 2250 D) 1000
 
Answer & Explanation Answer: B) 1800

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

1 2693