Aptitude and Reasoning Questions

Q:

In a class, average height of all students is 'a' cms. Among them, average height of 10 students is 'b' cms and the average height of the remaining students is 'c' cms. Find the number of students in the class. (Here a>c and b>c )

A) (a(b-c))/(a-c) B) ((b-c)/(a-c))
C) ((b-c)/10(a-c)) D) (10(b-c))/(a_c))
 
Answer & Explanation Answer: D) (10(b-c))/(a_c))

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Q:

If '+' means '÷', '÷' means '­', '­' means 'X' and 'X' means '+', then 48 + 16 x 4 ­2 ÷ 8 = ?

A) 3 B) 6
C) 112 D) -28
 
Answer & Explanation Answer: A) 3

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

Nine years later, age of B will be equal to the present age of A. Sum of A's age 3 years later and B's age 4 years ago is 76. If C is half of the present age of B, then what will be C's age (in years) after 10 years?

A) 32 B) 36
C) 27 D) 31
 
Answer & Explanation Answer: C) 27

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT , GATE

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Q:

1/2 - 1/8 =

A) 1/2 B) 3/8
C) 2/3 D) 3/2
 
Answer & Explanation Answer: B) 3/8

Explanation:

Now to find the difference in the given fractions, 1/2 - 1/8

First take the LCM of 2 & 8

LCM of 2 & 8 is 8

Then,

1/2 - 1/8

= (4 - 1)/8

= 3/8

 

Hence, 1/2 - 1/8 = 3/8.

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Filed Under: Mathematical Operations
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

A racing event was organised in a jungle. The dog ran faster than the elephant but slower than the tiger. The deer was the fastest. The lion ran faster than the tiger. Who was the second to finish the race?

A) Dog B) Deer
C) Elephant D) Lion
 
Answer & Explanation Answer: D) Lion

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

A person lent certain sum of money at 10% per annum simple interest. In 20 years the interest amounted to Rs 500 more than the sum lent. What was the sum lent (in Rs)?

A) 200 B) 500
C) 1000 D) 250
 
Answer & Explanation Answer: B) 500

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

Average age of A and B, 2 years ago was 26. If the age of A, 5 years hence is 40 years, and B is 5 years younger to C, then find the difference between the age of A and C?

A) 6 B) 9
C) 12 D) 15
 
Answer & Explanation Answer: B) 9

Explanation:

Let the present ages of A & B to be ‘a’ & ‘b’ respectively.
Hence, 2 years ago, their ages must have been (a-2) & (b-2) respectively.
Average of their ages at that time = 26
Hence,
[(a-2)+(b-2)]/2 = 26
(a-2)+(b-2) = 52
a+b = 56
Age of A, 5 year hence = 40 years
Hence, (a+5) = 40
a = 35 years
Hence, b = 56 - 35 = 21 years
B = (C-5)
Hence, C = 21+5 = 26 years
Age difference between A & C = 35 - 26 = 9 years.

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

If in a certain code, GREEN is written as ITGGP, then how will OINK be written as in the same code?

A) TUMJ B) KLON
C) RKQS D) RKPM
 
Answer & Explanation Answer: D) RKPM

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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