Problems on Ages Questions

Q:

The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A ?

A) 12 B) 13
C) 14 D) 15
 
Answer & Explanation Answer: A) 12

Explanation:

(A+B) - (B+C) = 12

A - C = 12.

C is younger than A by 12 years.

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Q:

A father said his son , " I was as old as you are at present at the time of your birth. " If the father age is 38 now, the son age 5 years back was :

A) 14 B) 19
C) 33 D) 38
 
Answer & Explanation Answer: A) 14

Explanation:

Let the son's present age be x years .Then, (38 - x) = x  x= 19. 

Son's age 5 years back = (19 - 5) = 14 years

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Q:

A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present

A) 38 B) 40
C) 42 D) 44
 
Answer & Explanation Answer: B) 40

Explanation:

Let the mother's present age be x years.
Then, the person's present age = years.

 2(2x + 40) = 5(x + 8) 

 x = 40

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Q:

Six years ago Anita was P times as old as Ben was. If Anita is now 17 years old, how old is Ben now in terms of P ?

A) 11/P + 6 B) P/11 +6
C) 17 - P/6 D) 17/P
 
Answer & Explanation Answer: A) 11/P + 6

Explanation:

Let Ben’s age now be B

Anita’s age now is A.

(A - 6) = P(B - 6)

But A is 17 and therefore 11 = P(B - 6)

11/P = B-6

(11/P) + 6 = B

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Q:

Five years ago, the average age of A, B, C and D was 45 years. With E Joining them now, the average of all the five is 49 years. The age of E is?

Answer

5 years ago average age of A,B,C,D = 45 years


\inline \therefore 5 years ago total age of A, B, C, D  = 45 x 4 = 180 years


\inline \therefore Total present age of A, B, C, D = 180 + 5x4 = 200 years


If E's present age is x years 



 years

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