Question

15 boys earn Rs 900 in 5 days, how much will 20 boys earn in 7 days​

Answer 1

$15×5=900$

$15=180$

so 15 boys earn ₹180 in 1 day
so one boy earn in one day will be......

$\frac{180}{15}=12$

so one boy earn ₹12 in one day
now 12 boys in 7 days..........

$(20×12)×7$

$1880$