A man gets Rs 100 per day if he works, but he is fined Rs 10 per day, if he is absent. In the month of April he received Rs 1900. How many days did he work ?

Javed deposited ₹ 12,000 at 9 p.c.p.a. in a bank for some years. At the end of the period he received altogether ₹ 17,4000. For how many years did he deposit his money ?

Alka spends 90% of the money that she receives every month, and save Rs 120. How many money does she get monthly?

An electric bulb rated 60 w is used 10 hours per day for 20 days. If the cost of a unit is Rs 3.00 find the energy bill.

Amit saves certain amount every month in a specific way in the first month he saves Rs 200, in the second month Rs 250, in the third month Rs 300 and so. On. How much will be his savings in 17 months?

Sachin invested some amount in National Savings certificates in a specific way. In the first year, he invested Rs 4000, in the second year Rs 6000, in the third year Rs 8000 and so on for 12 years . Find the total amount he invested in 12 years.

Anvar saves some amount every month. In first three months he saves Rs 200, Rs 250 and Rs 300 respectively. In which month will he save Rs. 1000? Find the totla amount saved.

The total cost of 3 televisions and 2 V.C.R.s is Rs. 35000. The shop-keeper wants profit of Rs. 1000 per television and Rs. 500 per V.C.R. He can sell 2 televisions and 1 V.C.R. and he gets the total revenue as Rs. 21,500. Find the cost and the selling price of a television and a V.C.R.