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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

What is the simplified form of 64288 ?

 

A) 23 B) 1/2
C) 23 D) 33
 
Answer & Explanation Answer: A) 23

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 55826
Q:

If (x- 7)2 + (y + 10)2 + (z - 6)2 = 0, then find the value of x + y+ z.

 

A) 1 B) 3
C) 5 D) 7
 
Answer & Explanation Answer: B) 3

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Filed Under: Simplification
Exam Prep: Bank Exams

1 55822
Q:

Evaluate 93 + 32 + 274 + 225

 

A) 9 B) 11
C) 12 D) 10
 
Answer & Explanation Answer: D) 10

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Filed Under: Simplification
Exam Prep: Bank Exams

0 55754
Q:

The ratio of two numbers is 3 : 4 and their H.C.F is 4. Their L.C.M is 

A) 12 B) 16
C) 24 D) 48
 
Answer & Explanation Answer: D) 48

Explanation:

Let the numbers be  3x and 4x . Then their H.C.F = x. So, x=4

 Therefore, The numbers are 12 and 16

 L.C.M of 12 and 16 = 48

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Filed Under: HCF and LCM

127 55730
Q:

What will be the value of that smallest positive integer N, such that 294N is an integer?

 

A) 2 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: C) 6

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Filed Under: Simplification
Exam Prep: Bank Exams

0 55691
Q:

0.33 + 0.23 0.3 - 0.22 = ?

 

A) 5/2 B) 2
C) 7/2 D) 3/2
 
Answer & Explanation Answer: C) 7/2

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Filed Under: Simplification
Exam Prep: Bank Exams

0 55553
Q:

Find the value of  21623 + 36-1   2

 

A) 216/6 B) 218/6
C) 215/6 D) 217/6
 
Answer & Explanation Answer: D) 217/6

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Filed Under: Simplification
Exam Prep: Bank Exams

0 55447
Q:

Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:

A) 3/20 B) 29/34
C) 47/100 D) 13/102
 
Answer & Explanation Answer: D) 13/102

Explanation:

Let S be the sample space.

 

Then, n(S) = 52C2=(52 x 51)/(2 x 1) = 1326.

 

Let E = event of getting 1 spade and 1 heart.

 

n(E)= number of ways of choosing 1 spade out of 13 and 1 heart out of 13 = 13C1*13C1 = 169.

 

P(E) = n(E)/n(S) = 169/1326 = 13/102.

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Filed Under: Probability

95 55395