Quantitative Aptitude - Arithmetic Ability Questions

Q:

x and y are two numbers such that their mean proportion is 8 and third proportion is 512. What is the value of x and y?

A) 2 and 16 B) 2 and 32
C) 4 and 32 D) 4 and 16
 
Answer & Explanation Answer: B) 2 and 32

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams , CAT

4 1404
Q:

If the successive discounts be 20% , 10% and 5% , then the single equivalent rate of discount is

A) 31.6% B) 31.5%
C) 31% D) 31.4%
 
Answer & Explanation Answer: A) 31.6%

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Filed Under: Percentage
Exam Prep: Bank Exams

0 1404
Q:

If one more cobbler is hired the output of a shoe making unit will increase from 50 pairs of shoes to 55 pairs per day, but then the shoe making unit will have to reduce the price of a pair of shoes from Rs 3200 to Rs 3000 per pair to sell the additional output, the marginal revenue product of the last cobbler is

A) Rs 1000 B) Rs 5000
C) Rs 4000 D) Rs 200
 
Answer & Explanation Answer: B) Rs 5000

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

0 1403
Q:

The value of cos220°+cos270° is

A) 0 B) 1
C) 1/2 D) 13
 
Answer & Explanation Answer: B) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1403
Q:

Each member of a club contributes as much rupees and as much paise as the number of members of the club. If the total contribution is Rs. 2525, then the number of members of the club is

A) 60 B) 45
C) 55 D) 50
 
Answer & Explanation Answer: D) 50

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Filed Under: Average
Exam Prep: Bank Exams

0 1403
Q:

In a triangle XYZ , which of the following conditions is true

A) XY ­ YZ > ZX B) XY + YZ < ZX
C) XY ­ YZ < XZ D) XY + ZX < YZ
 
Answer & Explanation Answer: C) XY ­ YZ < XZ

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

2 1403
Q:

A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?

A) 200 B) 10
C) 20 D) 100
 
Answer & Explanation Answer: D) 100

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Filed Under: Time and Distance
Exam Prep: Bank Exams

0 1403
Q:

Rahul nd Raghav are 110 km apart from each other and they started horse-riding towards each other at same time at a speed of 20 kmph and 24 kmph. After how many hours of riding will they be a distance of 22 km?

A) 1 hour B) 1 hour 30 min
C) 2 hours D) 2 hours 30 min
 
Answer & Explanation Answer: C) 2 hours

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Filed Under: Time and Distance
Exam Prep: Bank Exams

9 1403