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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

2 is what percent of 50?

A) 3 B) 4
C) 2.5 D) 5
 
Answer & Explanation Answer: B) 4

Explanation:

Let p% of 50 is 2

=> p x 50/100 = 2

=> p = 4%

 

Hence, 2 is 4 percent of 50.

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Filed Under: Percentage
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Q:

The price of an article is cut by 3%. To restore to its original value, the new price must be increased by

A) 3 percent B) 7.11 percent
C) 3.09 percent D) 2.69 percent
 
Answer & Explanation Answer: C) 3.09 percent

Explanation:
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Filed Under: Percentage
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Q:

1/(tanA + cotA) is equal to

A) (cosecA + sinA)(secA - cosA) B) √[(cosecA - sinA)(secA - cosA)]
C) √[(cosecA + sinA)(secA - cosA)] D) (cosecA - sinA)(secA - cosA)
 
Answer & Explanation Answer: D) (cosecA - sinA)(secA - cosA)

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The difference of compound interest and simple interest for 3 years and for 2 years are in ratio 23 : 7 respectively. What is rate of interest per annum (in %)?

A) 200/7 B) 100/7
C) 300/7 D) 400/7
 
Answer & Explanation Answer: A) 200/7

Explanation:
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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

How many 100 digit positive number are there?

A) 9 × 1099 B) 9 × 10100
C) 10100 D) 11 × 1098
 
Answer & Explanation Answer: A) 9 × 1099

Explanation:
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Filed Under: Problems on Numbers
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Q:

Which of the following is the largest?

A) 12/49 B) 7/30
C) 13/56 D) 11/46
 
Answer & Explanation Answer: A) 12/49

Explanation:

In the given options,

12/49 can be written as 1/(49/12) = 1/4.083

7/30 can be written as 1/(30/7) = 1/4.285

13/56 can be written as 1/(56/13) = 1/4.307

11/46 can be written as 1/(46/11) = 1/4.1818

 

Here in the above,

1/4.083 has the smallest denominator and so 12/49 is the largest number or fraction.

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Filed Under: Numbers
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Q:

Find the fourth proportional to 2, 3, 6.

A) 9 B) 10
C) 7 D) 8
 
Answer & Explanation Answer: A) 9

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

The average of 25 consecutive odd integers is 55. The highest of these integers is

A) 79 B) 105
C) 155 D) 109
 
Answer & Explanation Answer: A) 79

Explanation:
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