Question

plz answer it plz request​

Answer 1

Answer:

let the age of mala be m years

age of vani = 4m years

after 10 years:

mala's age = m + 10years

vani's age = 4m +10years

ATQ

4m +10 = 2(m+10)

4m + 10 = 2m+20

4m - 2m = 20 -10

2m = 10

m = 10/2

m = 5years

therefore, age of mala = 5years

age of vani = 4 x 5 = 20 years

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Answer 2

Let Vani's age be V, and Mali's age be M.

V = 4M

2(V+10) = 4(M+10) = 4M + 40 = V + 40

— 2V + 20 = V + 40

— 2V = V + 20

— 2V - V = 20 = V

Therefore, V = 20

— M = 20/4 = 5

Vani is presently 20 yrs old, and Mali is 5 yrs old.