Question

The sum of ages of X, Y and Z is 27. If X is twice as old as Y and Z is 2 years older than X, find the age of Z. *

10

12

5

8

​

Answer 1

Answer:

12

Step-by-step explanation:

X+Y+Z=27

A.T.Q

X is Twice ols as Y. So the age of X will 2Y. , X=2Y ------(1)

and Z is 2 year older than X which means. Z = 2Y+2------(2)

From (1) and (2)

2Y+Y+2Y+2=27

5Y+2=27

5Y=27-2

5Y=25

Y=5

From (2)

Z=2Y+2

Z=2(5)+2

Z=10+2

Z=12