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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The average of two numbers is 10 and the product of two numbers is 96. Find the two numbers.

 

 

A) 3, 32 B) 12, 8  
C) 1, 96   D) 24, 4
 
Answer & Explanation Answer: B) 12, 8  

Explanation:
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3 66795
Q:

Read the data given below and answer the questions based on it.

 

In the CBSE Board exams last year, 53% passed in Biology, 61% percent passed in English, 60% in Social studies, 24% in Biology and English, 35% in English and social studies, 27% in Biology and social studies and 5% in none.

 

What is the percentage of students who passed in all subjects?

A) 8 B) 12
C) 7 D) 10
 
Answer & Explanation Answer: C) 7

Explanation:
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5 66772
Q:

Simplify

39.96% of 649.85 ÷13.07 = 45.14 - ?

A) 25 B) 26
C) 27 D) 28
 
Answer & Explanation Answer: A) 25

Explanation:

This can be easily simplified by Approximation process

Given 39.96% of 649.85 ÷13.07 = 45.14 - ? can be written as 

40% of 650 ÷13 = 45 - ?

 

40 x 65010013 = 45 - ?? = 45 - 20? = 25.

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4 66240
Q:

Solve the following :

 

123 + 12.3 + 1.23 + 0.123 + 0.0123 = ?

A) 136.7659 B) 136.653
C) 136.6653 D) 136.7760
 
Answer & Explanation Answer: C) 136.6653

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2 66231
Q:

Find the odd man out?

28, 12, 4, 2, -2

A) -2 B) 2
C) 12 D) 28
 
Answer & Explanation Answer: B) 2

Explanation:

Here the given series 28, 12, 4, 2, -2 follows a pattern that

 

28 28 - 24 = 28 - 16 = 1212 - 23 = 12 - 8 = 44 - 22 = 4 - 4 = 0 (NOT 2)0 - 21 = 0 - 2 = -2

 

Hence, the odd man in the given series is 2.

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4 65956
Q:

Given w = -2, x = 3, y = 0 & z = -1/2. Find the value of 2(w2 + x2 + y2).

 

A) 26 B) -26
C) 25 D) 28
 
Answer & Explanation Answer: A) 26

Explanation:
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Q:

Simplify: (157 x 157 + 143 x 143)

 

A) 45098 B) 46098
C) 90196   D) 91196
 
Answer & Explanation Answer: A) 45098

Explanation:
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0 65787
Q:

Find the odd one in the given series ?

5-20-25, 10-40-50, 4-15-24, 25-100-125

A) 4-15-24 B) 5-20-25
C) 10-40-50 D) 25-100-125
 
Answer & Explanation Answer: A) 4-15-24

Explanation:

In each term second two numbers are multiples of the first number. But in 4-15-24 15 is not multiple of 4.

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Filed Under: Odd Man Out
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5 65671