Question

1.60 persons can do a piece of work in 22 days. In how many days can the same piece of work

done by 33 persons?

2.

Given Y = {1, 2, … 8}, A = {1, 2, 5} and B = {2, 5, 8} then find :-

(i)

A B (ii)

A B  (iii)

( )​

Answer 1

1. it is the question of indirect proportion

therefore,

60x22=33x

(60x22)/33=x

40=x

therefore 40 days are required to complete the given piece of work by 33 persons