Aptitude and Reasoning Questions

Q:

The average age of Ram and Rahim is 18 years. The average age of Rahim and Ramesh is 25 years. The average age of Ram and Ramesh is 29 years. What is the age (in years) of the eldest of the three?

A) 14 B) 22
C) 28 D) 36
 
Answer & Explanation Answer: D) 36

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Which sentence is written correctly?

A) They never watch no movie during the working days, but in holidays they watch one movie. B) They never watch none movie during the working days, but in holidays they watch one movie.
C) They don't never watch any movie during the working days, but in holidays they watch one movie. D) They watch no movie during the working days, but in holidays they watch one movie.
 
Answer & Explanation Answer: D) They watch no movie during the working days, but in holidays they watch one movie.

Explanation:

They watch no movie during the working days, but in holidays they watch one movie.

is correctly written among the given options.

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Q:

X and Y together can do a piece of work in 30 days. Y and Z together can do the work in 20 days. X starts the work and works for 15 days then Y takes that work and works for 27 days. Finally Z finishes the remaining work in 9 days. In how many days Y alone can complete the entire work?

 

A) 60 B) 45
C) 50 D) 65
 
Answer & Explanation Answer: A) 60

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If 5A = 13B = 7C; find the value of A : B : C.

A) 91:35:65 B) 65:35:91
C) 35:91:65 D) 7:13:5
 
Answer & Explanation Answer: A) 91:35:65

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

A*B means multiply A by B; A@B means divide A by B, A?B means add B to A and A=B means subtract B from A. Then find the value of 10*10 = 5*10 ? 50@10

A) 100 B) 45
C) 1000 D) 55
 
Answer & Explanation Answer: D) 55

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

10 Consecutive numbers are given. If the average of the two numbers given in the middle is 13.5, then what is the sum of the first 6 numbers?

A) 65 B)  59
C) 69 D) 80
 
Answer & Explanation Answer: C) 69

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

8 litres are drawn from a flask containing milk and then filledwith water. The operation is performed 3 more times. Theratio of the quantity of milk left and total solution is 81/625.How much milk the flask initially holds?

A) 10 ltr B) 20 ltr
C) 30 ltr D) 40 ltr
 
Answer & Explanation Answer: B) 20 ltr

Explanation:

Let initial quantity be Q, and final quantity be F

F = Q(1 - 8/Q)4

=> Q = 20

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Filed Under: Alligation or Mixture

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Q:

The ratio of present ages of Rahul and his sister is 3 : 4. Before 10 years the ratio of their ages was 13:19. What is Rahul's present age (in years)?

A) 36 B) 48
C) 42 D) 54
 
Answer & Explanation Answer: A) 36

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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