Question

shina is 3 times as old as her brother rohan , in 10 years the sum of their ages will be 36 ,how old they are now

Answer 1

Answer:

Step-by-step explanation:

Let Shina be x

Brother = 3x

3x+10 + x+10 = 36

4x+20 = 36

4x = 16

x = 4

Therefore, Shina is 4 and his brother is (4x3) 12 years old.

Hope it helps :p

Answer 2

Answer:

Let the present age of rohan be x

Age of shina be 3x

According to question:-

x+10+3x+10=36

4x+20=36

4x=36-20

4x=16

$x = \frac{16}{4}$

x=4 years

Present age of rohan=4 years

Present age of Shina=4×3

=12 years