Aptitude and Reasoning Questions

Q:

What is x squared plus x squared?

A) 4x B) 2x^2
C) x^4 D) 2x
 
Answer & Explanation Answer: B) 2x^2

Explanation:

In an algebraic expression, like terms are terms that contain the same variables raised to the same powers. Calculating x-squared plus x-squared is a matter of combining like terms. 

Now x^2 + x^2 = 2x^2

 

Hence, x-squared plus x-squared is equal to 2 times x squared.

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Filed Under: Mathematical Operations
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8 3010
Q:

How many such digits are there in the number 84315269 each of which is as far away from the beginning of the number as when the digits are rearranged in ascending order?

A) None B) one
C) two D) three
 
Answer & Explanation Answer: D) three

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
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7 3008
Q:

18 as a decimal?

A) 0.375 B) 0.247
C) 0.214 D) 0.125
 
Answer & Explanation Answer: D) 0.125

Explanation:

Here  18 in decimal means 8th part in 1.

We know that 110 = 0.1

Then,   18 = ?

=> ? = 18 x 0.1110= 0.1 x 108= 0.5418= 0.125

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Filed Under: Decimal Fractions
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4 3007
Q:

Which answer figure will complete the pattern in the question figure?

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: D) 4

Explanation:
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Filed Under: Pattern Completion
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3 3001
Q:

In the following question, a matrix of certain characters is given.These characters follow a certain trend, row-wise or column wise.Find out this trend and choose the missing character accordingly.

A D H
F I M
? N R

A) K B) N
C) O D) P
 
Answer & Explanation Answer: A) K

Explanation:

 

The letters in the second and third rows are five steps ahead of those in the first and second trespectively.
So, the missing letter will be five steps ahead of F, which is K.

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48 3001
Q:

What is the average of first 11 multiples of 11?

A) 22 B) 44  
C) 55 D) 66
 
Answer & Explanation Answer: D) 66

Explanation:
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Filed Under: Numbers
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6 2999
Q:

The sum of the first 10 prime numbers is

A) even B) odd
C) 0 D) none
 
Answer & Explanation Answer: B) odd

Explanation:

To find the sum of first 10 prime numbers

First 10 prime numbers = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29

 

Hence, The sum of the first 10 prime numbers is

(2+3+5+7+11+13+17+19+23+29) = 129 (ODD Number).

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Filed Under: Arithmetical Reasoning
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5 2997
Q:

Solve this inequality 3p - 16 < 20?

A) p >= 12 B) p <= 11/3
C) p < 12 D) p > 11/3
 
Answer & Explanation Answer: C) p < 12

Explanation:

The given inequality is 3p - 16 < 20

For solving this inequality, follow these steps

Now add 16 on both sides

we get 3p - 16 + 16 < 20 + 16

=> 3p  < 36

Now divide the above eqn with 3 on both sides

we get, 3p/3 < 36/3

p < 12.

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Filed Under: Simplification
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