If a worker gets 2000 Rs.to work for 4 hours then how much time will they work to get 60000 Rs.?

If 15 artists can make a statue in 48 hors then how many artistd will be required to do the same work in 30 hours?

If 10^(9) electrons move out of a body to another body every second how much time is required to get a total charge of 1 C on the other body

A contract on construction job specific a penalty for delay of completion beyond a certain date as follows : Rs. 200 for the first day, Rs.250 for the second day, Rs. 300 for the third day, etc., the penalty for each succeeding day being Rs. 50 more than for the preceding day. How much money the contractor has to pay as penalty, if he has delayed the work by 30 days ?

An amount Rs 500/- is deposited in a bank. If the bank pays an interest at the of 10% compound annually, how much will be the amouth in 10years?

Shamshad Ali buys a scooter for Rs 22000. He pays Rs 4000 cash and agrees to pay the balance in annual instalment of Rs 1000 plus 10% interest on the unpaid amount. How much will the scooter cost him?

150 workers were engaged to finish a job in a certain number of days. 4 workers dropped out on second day, 4 more workers dropped out on third day and so on. It took 8 more days to finish the work. Find the number of days in which the work was completed.

A contract on construction job specifies a penalty for delay of completionbeyond a certain data as follows: Rs 200 for the first day , Rs250 for the second day, Rs 300 for the third day , etc., the penalty for each succeeding day being Rs50 more than for the preceding day . How much money the contractor has to pay as penalty , if he has delayed the work by 30 days ?

A farmer buys a used tractor for Rs 12000. He pays Rs 6000 cash and agrees to pay the balance in annual instalments of Rs 500 plus 12% interest on the unpaid amount. How much will the tractor cost him?