Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of 473+529+256+289 ?

A) 27 B) 23
C) 19 D) 39
 
Answer & Explanation Answer: B) 23

Explanation:
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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

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Q:

An article is listed at Rs 2375. A man purchases it at two successive discounts of 50% and 25% and spends Rs 165 on repairing of article. If he sells thearticle at a profit of 62.5%, then what is the selling price (in Rs) of the article?

A) 1467.6 B) 1492.6
C) 1715.39 D) 1467.6
 
Answer & Explanation Answer: C) 1715.39

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

The hypotenuse of a right-angled triangle 10 cm and its area is 24 cm^2. If the shorts side is halved and the longer side is double, the new hypotenuse becomes

 

A) √245 cm B) √255 cm
C) √265 cm D) √275 cm
 
Answer & Explanation Answer: C) √265 cm

Explanation:
Hypotenuse = 10cm
Let the other 2 perpendicular sides be a and b
Area ½ a*b = 24
So a*b = 48 cm^2
Also using Pythagoras
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Filed Under: Area
Exam Prep: Bank Exams

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Q:

A and B started a partnership business investing some amount in the ratio of 5 : 6. C joined then after 6 months with an amount equal to 2/3rd of B. What was their profit (in Rs) at the end of the year if C got Rs 21,600 as his share?

A) 46800 B) 56160
C) 70200 D) 1,40,400
 
Answer & Explanation Answer: D) 1,40,400

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Filed Under: Partnership
Exam Prep: Bank Exams

2 2202
Q:

A can do a work in 8 days, B can do the same work in 10 days and C can do the same work in 12 days. If all three of them do the same work together and they are paid Rs 7400, then what is the share (in Rs) of B?

A) 2600 B) 3000
C) 2400 D) 2000
 
Answer & Explanation Answer: C) 2400

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

In how many different ways can the letters of the word 'THERAPY' be arranged so that the vowels always come together?

A) 720 B) 1440
C) 1800 D) 3600
 
Answer & Explanation Answer: B) 1440

Explanation:

Given word is THERAPY.

Number of letters in the given word = 7

Number of vowels in the given word = 2 = A & E

Required number of different ways, the letters of the word THERAPY arranged such that vowels always come together is

6! x 2! = 720 x 2 = 1440.

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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13 2202
Q:

A trader sells two items at the rate of Rs 400 each. If he gains 15% on one and losses 15% on other, then what is the value (in Rs) of loss ?

A) 18.41 B) 22.14
C) 20.25 D) 24.36
 
Answer & Explanation Answer: A) 18.41

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Type 1 workers are 2.5 times as efficient as type 2 workers. Twelve Type 1 workers can complete a task in 10 days. How many days would it have taken 4 Type 1 and 15 Type 2 workers to do the same work?

 

A) 13 B) 10
C) 12 D) 11
 
Answer & Explanation Answer: D) 11

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Filed Under: Time and Work
Exam Prep: Bank Exams

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