Sawaal

 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Sashi can do a piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is:

A) 15 B) 16
C) 18 D) 25
 
Answer & Explanation Answer: B) 16

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Select the odd word from the given alternatives.

A) Nylon B) Wool
C) Silk D) Cotton
 
Answer & Explanation Answer: A) Nylon

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The bus fare between two cities is increased in the ratio 17:20. Find the increase in the fare, if the original fare is Rs. 425

A) Rs 500 B) Rs 100
C) Rs 200 D) Rs 75
 
Answer & Explanation Answer: D) Rs 75

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

If 1/(cosecA ­ cotA) = x, then the value of x is

A) cosecA + cotA B) cosecA­ - cotA
C) cosec2A + cot2A D) √[cosec2A + cot2A]
 
Answer & Explanation Answer: A) cosecA + cotA

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams

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Q:

If 9x - [5(2x + 1)/2] = 9/2, then the value of x is?

A) 7/4 B) -7/4
C) 4/7 D) -4/7
 
Answer & Explanation Answer: A) 7/4

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of tan 7π/6?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A vendor buys some bananas at the rate of 2 for Re 1 and sells at the rate of 10 for Rs 7. What will be the result?

A) 40 percent loss B) 28.57 percent gain
C) 40 percent gain D) 28.5 percent loss
 
Answer & Explanation Answer: C) 40 percent gain

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Average age of A and B, 2 years ago was 26. If the age of A, 5 years hence is 40 years, and B is 5 years younger to C, then find the difference between the age of A and C?

A) 6 B) 9
C) 12 D) 15
 
Answer & Explanation Answer: B) 9

Explanation:

Let the present ages of A & B to be ‘a’ & ‘b’ respectively.
Hence, 2 years ago, their ages must have been (a-2) & (b-2) respectively.
Average of their ages at that time = 26
Hence,
[(a-2)+(b-2)]/2 = 26
(a-2)+(b-2) = 52
a+b = 56
Age of A, 5 year hence = 40 years
Hence, (a+5) = 40
a = 35 years
Hence, b = 56 - 35 = 21 years
B = (C-5)
Hence, C = 21+5 = 26 years
Age difference between A & C = 35 - 26 = 9 years.

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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