Aptitude and Reasoning Questions

Q:

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

A) X– (1/2)   B) X – (1/19)  
C) X – (19/10)   D) X – (19/9)
 
Answer & Explanation Answer: C) X – (19/10)  

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Filed Under: Average
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Q:

If Girish's salary is 4/9 times of Harishankar's and Shirish's salary is 5/6 times of Harishankar's, what is the ratio of Girish's salary to Shirish's.

A) 27:10 B) 10:27
C) 8:15 D) 15:8
 
Answer & Explanation Answer: C) 8:15

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

AK, DQ, GV, JZ, ?

A) NY B) MC
C) MY D) NZ
 
Answer & Explanation Answer: B) MC

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Q:

A and B together can complete a work in 24 days. B alone does 1/3rd part ofthis work in 12 days. How many days will A alone take to complete the remaining work?

A) 24 B) 36
C) 48 D) 72
 
Answer & Explanation Answer: C) 48

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

199994 x 200006 = ?

A) 39999799964 B) 39999999864
C) 39999999954 D) 39999999964
 
Answer & Explanation Answer: D) 39999999964

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Filed Under: Simplification
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Q:

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is

A) 0 B) 1
C) 1/2 D) 2
 
Answer & Explanation Answer: B) 1

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Q:

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

 

NVX, LTV, JRT, ?, FNP

 

A) GRS   B)  GRP
C)  IPR   D)  HPR
 
Answer & Explanation Answer: D)  HPR

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Q:

The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The 15th observation is

A) 20 B) 24
C) 26 D) 28
 
Answer & Explanation Answer: C) 26

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Filed Under: Average
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