Question

Worker earns 18000 rupees in 15 months how much will he earn in 7 months In how many months will he earn 30000 rupees

Answer 1

18000/- in 15 months
1 month =
$\frac{18000}{15} = 1200$
earn amount in 7 month =
7×1200 = 8400

for 30000

$\frac{30000}{1200} = 25$
for earn 30000, he will take 25 month