Question

If a man sleep 8 hrs in a day and he survived 90 yrs. Than how many yrs he slept?

a) 20 yrs
b) 30 yrs
c) 40 yrs 4 months
d) None of these​

Answer 1

90×365×24=788400 this is total hours he lived

and total hours he slept is 90×365×8=262800 i.e he survived for 30 years