Question

Mainak's father was 42 years old when he was born in 2001, while his mother was 38 years old when his sister Manju 5 years younger to him
was born what is the sum of the ages of the family in 2011?
80 years
110 years
95 years
None​

Answer 1

Step-by-step explanation:

15 + 52 + 52 = 1 5 = Manju

5 2 = Father

+ 5 2 = Mother

1 0 = Mainak

12 9 = Total

Answer 2

Answer:

110 years

Step-by-step explanation:

method 1:-

As on 2006 (5 years later) father became 47 and mother 38 and mainak become  5 yrs. old ..... for his sister is 0 at 2006....

on 2011 their ages were

F:- 47+5= 52  M:- 38+5=43 mainak:-5+5=10  and his sister :- 5

52+43+10+5=110 yrs old

method 2:-

we can take them back to over 2001 where age of father is 42,mother is 33,mainak 0 and we can take his sister age as (-5)..............after 10 years on 2011 their ages were

FATHER  MOTHER  MAINAK   SISTER

   42                33            0              -5

+  10                +10            +10           +10

------------------------------------------------------

      52+43+10+5= 110 yrs..

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