Aptitude and Reasoning Questions

Q:

Refer the below data table and answer the question.

 

What percent of students who chose Engineering are girls?

A) 13.89 B) 21.74
C) 35.71 D) 27.78
 
Answer & Explanation Answer: B) 21.74

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

1 16455
Q:

5x - 6 = 3x - 8

Solve the above equation.

A) 2 B) -1
C) -2 D) 1
 
Answer & Explanation Answer: B) -1

Explanation:

Given 5x - 6 = 3x - 8

5x - 3x = -8 + 6

2x = -2

=> x = -1.

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Filed Under: Mathematical Operations
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23 16452
Q:

A fair six-sided die is rolled twice. What is the probability of getting 4 on the first roll and not getting 6 on the second roll ?

A) 1/36 B) 5/36
C) 1/12 D) 1/9
 
Answer & Explanation Answer: B) 5/36

Explanation:

The two events mentioned are independent.

The first roll of the die is independent of the second roll. Therefore the probabilities can be directly multiplied.

P(getting first 4) = 1/6

P(no second 6) = 5/6

Therefore P(getting first 4 and no second 6) = 1/6 x 5/6 = 5/36

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Filed Under: Probability
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6 16442
Q:

Refer the below data table and answer the following question.

What was the total profit or loss of the company in the last 5 years?

 

A) Loss of Rs 55 crores B) Profit of Rs 65 crores
C) Profit of Rs 55 crores D) Loss of Rs 65 crores
 
Answer & Explanation Answer: C) Profit of Rs 55 crores

Explanation:
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Filed Under: Table Charts
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Q:

Find the LCM of 35, 311, 3-11 and 314

 

A) 35 B) 311
C) 3-11 D) 314
 
Answer & Explanation Answer: D) 314

Explanation:
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Filed Under: HCF and LCM
Exam Prep: Bank Exams , CAT

7 16420
Q:

What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ?

A) 844 B) 814
C) 840 D) 820
 
Answer & Explanation Answer: B) 814

Explanation:

Length of largest tile = H.C.F. of 1517 cm and 902 cm = 41 cm.
Area of each tile = (41 x 41) sq.cm

Required number of tiles =1517 x 902/(41 x 41) = 814.

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Filed Under: Area
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8 16420
Q:

Find the Value of ?

5.112.2+5.553.3+6.31.4+7.22.001 = ? x 3.34

A) 81 B) 77
C) 73 D) 89
 
Answer & Explanation Answer: D) 89

Explanation:

This can be done in a method called Approximation.

Now, 

52 + 63 + 6 + 72 = ? x 3.3425 + 216 + 6 + 49 = ? x 3.34296 = ? x 3.34? = 2963.34 = 88.622  89 

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Filed Under: Mathematical Operations
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25 16419
Q:

A group consists of 4 men, 6 women and 5 children. In how many ways can 2 men , 3 women and 1 child selected from the given group ?

A) 600 B) 610
C) 609 D) 599
 
Answer & Explanation Answer: A) 600

Explanation:

Two men, three women and one child can be selected in ⁴C₂ x ⁶C₃ x ⁵C₁ ways = 600 ways.

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Filed Under: Permutations and Combinations
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6 16408