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:

Pramod can paint a wall red in 12 hours while Brajen can whitewash the wall completely in 16 hrs. If Pramod and Brajen work alternately for an hour each starting when the wall has just cement on it till when it is completely painted red, how many hours will it take to paint the entire wall red?

 

A) 89 B) 96
C) 48 D) 95
 
Answer & Explanation Answer: A) 89

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

On selling 30 caps, a shopkeeper earns profit equal to the selling price of 3 caps. What is the profit percentage?

A) 12.5 B) 11.11
C) 10 D) 14.28
 
Answer & Explanation Answer: B) 11.11

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

An army of 12000 consists of Europeans and Indians. The average height of a European is 5ft 10 inches and that of an Indian is 5ft 9 inches and that of the whole army is 5ft 9 3/4 inches. Then the number of Indians in the army is ?

A) 3000 B) 4000
C) 5500 D) 2700
 
Answer & Explanation Answer: A) 3000

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

G is the centroid of ΔABC. If AG = BC, then measure of ∠BGC is

A) 45° B) 60°
C) 90° D) 120°
 
Answer & Explanation Answer: C) 90°

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

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Q:

If 4 * 2 = 3 and 8 * 4 = 3 , then 21 * 7 = ?

A) 4 B) 3
C) 8 D) 16
 
Answer & Explanation Answer: A) 4

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

0 is the circumference of a triangle ABC. The point A and the chord BC are on the opposite side of O. If BOC=150° then the value of BAC is

A) 65° B) 60°
C) 70° D) 75°
 
Answer & Explanation Answer: D) 75°

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Ticket for an adult is Rs 1500 and a child is Rs 800. 1 child goes free with two adults. If a group has 25 adults and 12 children what is the discount the group gets?

A) 26.47 percent B) 20.38 percent
C) 31.60 percent D) 33.33 percent
 
Answer & Explanation Answer: B) 20.38 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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