A contract on construction job specifies 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?

A contract on construction job specifies a penalty for delay of completion beyond a certain date as follow : Rs 500 for the first day , Rs 550 for the second day , Rs 600 for the third day , etc the penalty for each suceeding 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 50 days ?

A contract on construction job specifies a penalty for delay of completion beyond a certain days as follows: Rs. 180 for the first day, Rs. 200 for the second day, etc., the penalty for each succeeding day being Rs. 20 more than the preceding day. (i) How much money the contractor has to pay as penalty, if he has delayed the work by 15 days? (ii) For how many days has the contractor delayed the work if he paid Rs. 7400 as penalty?

A contract on construction job specifies a penalty for delay of completion beyond acertain date as follows: Rs 200 for Ist day,Rs.250 for second day,Rs.300 for thirdday and so on.If the contractor pays Rs 27750 as penalty, find the number of days forwhich the construction work is delayed.

Smith asked daddy to give Rs100 on first day and go on decreasing by Rs10 daily. How much money has he collected in 10 days?

18 men can earn Rs. 360 in 5 days . How much money will 15 men earn in 9 days ?

The school canteen charges Rs 20 for lunch and Rs 4 for milk for earch day.How much money do you spend in 5days on these things?

Lalit earns Rs. x per day and spends Rs. y per day. How much does he save in 30 days?

The hostel canteen charges Rs 25 for lunch and Rs 8 for milk for each day. Then, how much money do you spend in 5 days on these things?