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X’s age 3 years ago was three times the present age of Y. At present, Z’s age is twice the age of Y. Also, Z is  12 years younger than X. What of the present age of Z? 

(a)

15 yrs.

(b)

24 yrs.

(c)

12 yrs.

(d)

18 yrs.


Question ID - 54463 | Toppr Answer

X’s age 3 years ago was three times the present age of Y. At present, Z’s age is twice the age of Y. Also, Z is  12 years younger than X. What of the present age of Z? 

(a)

15 yrs.

(b)

24 yrs.

(c)

12 yrs.

(d)

18 yrs.

1 Answer - 5876 Votes

3537

Answer Key : (d) -

The present age of Y be  yrs.

Three yrs. ago X’s age = yrs.

Then, present age of X is

Z’s present age =

According to given information,

 yrs.

Present age of Z =  yrs.



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