Question

A and b together can do a work in 15 days a is 50 percentage more efficient than b alone can do the work in

Answer 1

let power of b be 1

power of a will be 1.5

total power * time will give us energy

it is 2.5*15 is 37.5

be can provide this energy in 37.5/1 days

i.e. 37.5 days

a can do thus work in 37.5/1.5 days

i.e. 25 days

》》》》 Answer is 37.5 days for b & 25 days for a《《《《《