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 Quantitative Aptitude - Arithmetic Ability Questions

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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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Q:

The value of sec217°-1tan273°-sin17°sec73°

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and AE are 8 cm, 4 cm and 12 cm respectively, what is the length of AC?

A) 6 cm B) 18 cm
C) 9 cm D) 15 cm
 
Answer & Explanation Answer: B) 18 cm

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

In an equilateral triangle of side 24 cms, a circle is inscribed touching its sides. The area of the remaining portion of the triangle is equal to

A) 36.6 sq. cm B) 54.2 sq. cm
C) 72.8 sq. cm D) 98.5 sq. cm
 
Answer & Explanation Answer: D) 98.5 sq. cm

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

The third proportional of two numbers 9 and 24 is

A) 39 B) 48
C) 72 D) 64
 
Answer & Explanation Answer: D) 64

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

Prahlad has done 1/3rd of a job in 30 days, Sarfaraz completes the rest of the job in 90 days. In how many days can they together do the job?

A) 27 days B) 18 days
C) 54 days D) 36 days
 
Answer & Explanation Answer: C) 54 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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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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