Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 6/7th of 8/5th of a number is 192, then 3/4th of that number is _____.

A) 105 B) 77
C) 36 D) 80
 
Answer & Explanation Answer: A) 105

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Filed Under: Percentage
Exam Prep: Bank Exams , CAT

1 1809
Q:

In the given figure, PQR is a triangle and quadrilateral ABCD is inscribed in it. QD = 2 cm, QC = 5 cm, CR = 3 cm, BR = 4 cm, PB = 6 cm, PA = 5 cm and AD = 3 cm. What is the area in sq.cm of the quadrilateral ABCD?

A) (23√21)/4 B) (15√21)/4
C) (17√21)/5 D) (23√21)/5
 
Answer & Explanation Answer: C) (17√21)/5

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Filed Under: Area
Exam Prep: Bank Exams

0 1808
Q:

A wholesaler sells a watch to a retailer at a gain of 35% and the retailer sells it to a customer at a loss of 25%. If the customer pays Rs 2379.375, what had it cost the wholesaler?

A) Rs 2350 B) Rs 2409
C) Rs 2928 D) Rs 2291
 
Answer & Explanation Answer: A) Rs 2350

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

2 1808
Q:

Sum of a fraction and thrice its reciprocal is 31/6. What is the fraction?

A) 2/9 B) 9/4
C) 9/2 D) 4/9
 
Answer & Explanation Answer: C) 9/2

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

1 1808
Q:

35 persons are engaged to complete a work in 60 days. After 32 days it is observed that only (2/5)th part of the work has been done. The number of persons to be engaged to complete the remaining work in the said period is

A) 20 B) 35
C) 30 D) 25
 
Answer & Explanation Answer: D) 25

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Filed Under: Time and Work
Exam Prep: Bank Exams

2 1807
Q:

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

A) 2√3 cm B) 3√2 cm
C) 4√3 cm D) √3 cm
 
Answer & Explanation Answer: A) 2√3 cm

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Filed Under: Area
Exam Prep: Bank Exams

1 1807
Q:

There is a three digit number. The digit at the tenth place is 3. If the place of all the digits are replaced with each other symmetrically about the tens position,then the new number obtained is 396 more than the original three digit number. The sum of the digits at unit & hundredth place is 14. Find out the original number?

A) 513 B) 539
C) 439 D) 613
 
Answer & Explanation Answer: B) 539

Explanation:

Ans.
Let digit = xyz
Given y = 3
According to the question = (100z+10y+x) - (100x+10y+z) = 396x99z-99x = 396
Z-x = 4
Also, Z+ x = 14
Solving (i) & (ii)
Z = 9 , x= 5
The original number is 539

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Filed Under: Numbers

0 1806
Q:

Shams invested Rs. 5000 at 10% per annum compound interest. After n years, Shams received Rs. 1655 more. Find the value of n.

 

A) 3 years B) 4 years
C) 2 years D) 1 year
 
Answer & Explanation Answer: A) 3 years

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Filed Under: Compound Interest
Exam Prep: Bank Exams

5 1806