Aptitude and Reasoning Questions

Q:

A car travelling at an average speed of 72 km/hr takes 9 minutes to travel a certain distance. By how much should it increase its speed (in km/hr) to travel the same distance in 8 minutes?

A) 8 B) 9
C) 7 D) 6
 
Answer & Explanation Answer: B) 9

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

A cuboid has dimensions 8 cm x 10 cm x 12 cm. It is cut into small cubes of side 2 cm. What is the percentage increase in the total surface area?

A) 286.2 B) 314.32
C) 250.64 D) 386.5
 
Answer & Explanation Answer: D) 386.5

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

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Q:

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

24.97% of 84.01 ÷ 6.995 = ?

A) 3 B) 6
C) 9 D) 12
 
Answer & Explanation Answer: A) 3

Explanation:

Ans. 
25% of 84 ÷ 7 = ?
[(25 × 84)/100]÷ 7 = ?
21÷ 7 = ?
? = 3

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , GATE

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Q:

What is the fourth proportional to 72, 168 and 150?

A) 450 B) 300
C) 350 D) 400
 
Answer & Explanation Answer: C) 350

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

If cot A = n/(n + 1) and cot B = 1/(2n + 1), then what is the value of cot (A + B)?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Let A(O,-1), B(0,3) and C(2,1) be three points. Let   1 be the area of the triangle ABC and 2 be the area of the triangle formed by the mid points of the sides of the triangle whose vertices are A, B and C such that 1=1 ,2=x Find the value of x .

A) 4 B) 5
C) 2 D) 3
 
Answer & Explanation Answer: D) 3

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Filed Under: Area

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Q:

In a class of 60 students there are 33 girls. The average weight of these girls is 62 Kg and average weight of the full class is 66.5 kg. What is the average weight of the boys of the class?

A) 72 kg B) 71 kg
C) 70 kg D) 73 kg
 
Answer & Explanation Answer: A) 72 kg

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

If 3x - 10 = -(2x + 5), then the numerical value of (x - 4)3 is

A) 27 B) 125
C) -125 D) -27
 
Answer & Explanation Answer: D) -27

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Filed Under: Simplification
Exam Prep: Bank Exams

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