Yann will be x years old y years from now. How old was z years ago?

Question

A. x + y + z
B. x + y + z
C. x – y –z
D. y – x –z
E. z - y –x

u1983 · Answer

lets assume current age =  a 
 Thus as per the Q-stem  a+y=x  ==>  a=x-y 
the age  z  years ago =  a - z  =  x - y - z

Thus I would go for C

AV678 · Answer

If Yarn is a years old now then
y years from now he will be
a=x-y ...........(1)

His age z years age will be a-z....(2)

From 1 and 2

We get x-y-z

hence C is the right answer

Please correct if I am wrong..

gvij2017 · Answer

Got answer C. X-Y-Z
Why answer is Z-Y-X?

JeffTargetTestPrep · Answer

We can let Yann’s age today = n; thus:

n + y = x

n = x - y

Since today Yann is x - y years old, z years ago she was x - y - z years old.

Answer: C

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