Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the odd one out of the following number series?

56, 64, 48, 90, 16, 144

 

A) 48 B) 64
C) 90 D) 16
 
Answer & Explanation Answer: C) 90

Explanation:

The given number series follows a pattern that,

56

56 + 8 = 64

64 - 16 = 48

48 + 32 = 80 (Not equal to 90)

80 - 64 = 16

16 + 128 = 144 

 

Hence, the odd number in the given number series is 90.

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4 70613
Q:

If the diameter of a circle is 28 cm, then what will be its circumference (in cm)?

 

A) 88 B) 176
C) 35 D) 70
 
Answer & Explanation Answer: A) 88

Explanation:
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0 70610
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 70528
Q:

Which value is closest to [5.168 x 4453 x 3.194 / 67.999 x 4224.017]

 

A) 0.2 B) 0.002
C) 2 D) 0.02
 
Answer & Explanation Answer: A) 0.2

Explanation:
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0 70484
Q:

Calculate the value of x, if 1 - (x529) = (1623)

 

A) 283 B) 276
C) 273 D) 374
 
Answer & Explanation Answer: C) 273

Explanation:
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3 70356
Q:

Which of the following statement(s) is/are true?

I. (65)1/6 > (17)1/4 > (12)1/3  II. (17)1/4 > (65)1/6 > (12)1/3   III. (12)1/3 > (17)1/4 > (65)1/6

A) Only I B) Only III
C) Only II D) None of these
 
Answer & Explanation Answer: B) Only III

Explanation:
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0 70288
Q:

Solve the following :

 

(-8) [36 / {7 - (-2)}] / (-4){19 - (-3) x (-5)} = ?

A) 4 B) -4
C) -2 D) 2
 
Answer & Explanation Answer: D) 2

Explanation:
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Q:

If z = 6 - 2√3, then find the value of (z - 1z)2.

 

A) 102 - 4634 B) 102 - 4632
C) 102 - 46324 D) 12 - 46324
 
Answer & Explanation Answer: C) 102 - 46324

Explanation:
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0 70185