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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The sum of a number and 4 times its reciprocal is 5. What is the number?

A) 4 B) 5
C) 6 D) 7
 
Answer & Explanation Answer: A) 4

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Filed Under: Simplification
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Q:

Given that the polynomial (x2+ ax+ b) leaves that same remainder when by (x –1) or (x + 1) What are the values of a and b respectively?

A) 4 and 0 B) 0 and 3
C) 3 and 0 D)  0 and any interger
 
Answer & Explanation Answer: D)  0 and any interger

Explanation:

Since x^2+ ax + b when divided by x-1 or x+1 leaves the same remainder

So on putting x=1 and x=-1 we get the same value

1+a+b = 1-a+b

2a=0

a=0

here b can take any value as it will always get cancelled out

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Filed Under: Numbers
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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) 5210 B) 7214
C) 9218 D) 7426
 
Answer & Explanation Answer: D) 7426

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Filed Under: Odd Man Out
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Q:

Find the odd numbers/letters/numbers from the given alternatives.

A) Red B) Brown
C) Green D) Yellow
 
Answer & Explanation Answer: B) Brown

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Filed Under: Odd Man Out
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Q:

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 18% per annum is Rs 81. The sum is ____.

A) Rs 2500 B) Rs 5000
C) Rs 10000 D) Rs 7500
 
Answer & Explanation Answer: A) Rs 2500

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Filed Under: Compound Interest
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Q:

46% of 250 is equal to

A) 115 B) 92
C) 112 D) 13.5
 
Answer & Explanation Answer: A) 115

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

What is the value of 5/9 + 7/8?

A) 103/72 B) 97/42
C) 12/17 D) 15/13
 
Answer & Explanation Answer: A) 103/72

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Filed Under: Problems on Numbers
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Q:

The percentage change of a number when it is first decreased by 10% and then increased by 10% is

A) 0.1 % increase B) 1 % decrease
C) 0.1 % decrease D) No changes
 
Answer & Explanation Answer: B) 1 % decrease

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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