A man borrows a loan of Rs 20,000 from a merchant at the rate of interest 1% per month for two month. If merchant wants to receive the money with interest in two equal installment.
What will be his installment ?
Let A be the installment,
20000(1+1/100)^2=A(1+1/100)+A
or A = 10150.25
Answer is 10150.25
A book seller allowed 18% discount on printed price. He gets 24% commission from publisher. What will be his profit in percentage?
A local farmer wants to keep his sheep safe. He has one mile of fence, with which to surround sheep. Luckily there is a very straight river which he can also use. Obviously the farmer wants to fence off as much land as possible, what shape will the fenced off area be and how large?
