Quantitative Aptitude - Arithmetic Ability Questions

Q:

Coefficient of x in (x + 9)(8 - 5x) is

A) 37 B) -53
C) -37 D) 53
 
Answer & Explanation Answer: C) -37

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If a+b=5 then the value of a-37+b-27 is

A) 27 B) 37
C) 1 D) 0
 
Answer & Explanation Answer: D) 0

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Q:

At what rate of compound interest (in %) per annum will a sum of Rs. 15,000 become Rs. 18,150 in 2 years?

A) 11 B) 10
C) 9 D) 12
 
Answer & Explanation Answer: B) 10

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Filed Under: Compound Interest
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Q:

What is the value of 9991 x 10009?

A) 99999099 B) 99999819
C) 99999919 D) 99999019
 
Answer & Explanation Answer: C) 99999919

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Filed Under: Problems on Numbers
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Q:

If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?

A) 15 B) 20
C) 25 D) 40
 
Answer & Explanation Answer: C) 25

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The average weight of P, Q and R is 47 kg. If the average weight of P and Q be 32.5 kg and that of Q and R be 48.5 kg, then what is the weight of Q (in kgs)?

A) 25 B) 29
C) 21 D) 33
 
Answer & Explanation Answer: C) 21

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Filed Under: Average
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Q:

A sum becomes Rs 10000 in 10 years on simple interest at the rate of 10% per annum. What is the total interest (in Rs) of the 10 years?

A) 4000 B) 5000
C) 2500 D) 4500
 
Answer & Explanation Answer: B) 5000

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Filed Under: Simple Interest
Exam Prep: Bank Exams , CAT

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Q:

a and b are irrational numbers such that a+b = q is a rational number; then a­b is

A) always rational B) sometimes rational
C) always irrational D) some times irrational
 
Answer & Explanation Answer: C) always irrational

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Filed Under: Problems on Numbers
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