Find the average of the variable.
The incomes of three friends are :Rs. 325, Rs. 927 and Rs. 630.

Find the average of the variable. The selling prices of seven days of a shopkeeper are : Rs. 107.00 , Rs. 210.24 , Rs. 90.06 , Rs 51.20 , Rs. 112.75 , Rs. 75.95 and Rs. 195.50.

Three friends invested Rs. 14000 in a business. One year hence, the profits of the first, the second and the third friends are Rs. 337.50, Rs. 1125 and Rs. 637.50 respectively. Find the amount of money invested by each of them.

A manufacturer produces three products x, y, z which he sells in two markets. Annual sales are indicated below: {:("Market",,"Products",),(I,"10,000","2,000","18,000"),(II,"6,000","20,000","8,000"):} (a) If unit sale prices of x, y and z are Rs. 2.50, Rs. 1.50 and Rs. 1.00, respectively, find the total revenue in each market with the help of matrix algebra. (b) If the unit costs of the above three commodities are Rs. 2.00, Rs. 1.00 and 50 paise respectively. Find the gross profit.

The average and median of daily incomes of 500 workers are Rs.2.80 and Rs.3.15, then find the approximate value of the mode of the daily incomes of the workers.

At the beginning of a year, A and B, investing Rs. 60000 and Rs. 75000 respectively, bought a car. After 4 months their friend C has joined them with capital Rs. 40500, but A and B have withdrawn this capital according to the ratio of their capitals. If at the end of the year the total profit be Rs. 19575 then what will be the profit of each of them?

Two friends invested Rs 40,00 and Rs 50,00 respectively to stard a business. They made a contract that they would divide 50% of the profit equally among themselves and the remaining profit in the ratio of their capitals. Find the share of profit of the first friend if it is Rs 800 less than that of 2nd friend.

Two friends invested Rs. 40000 and Rs. 50000 respectively to start a business. They made a contract that they would divide 50% of the profit equally between themselves and the remining profit in the Ratio of the their capitals. Calculate the share of profit of the first friend if it is Rs. 800 less than that of the second friend.

Calculate Median of the data given below : daily wages of 6 workers are Rs 140,Rs.220, Rs 90, Rs. 170, Rs 140, Rs.200.

Three friends A,B and C invested Rs. 3000, Rs. 4000 and Rs. 5000 respectively in a business with such a contract that from the obtained profit, A will get 15% as manager, B will get 10% as assistant manager and the rest of the profit will be distributed amongh them according to the ratio of their capitals. Now, if the profit of A be Rs. 540, then find the profit of B and C.

By compound interest, the interest of a sum in the 2nd year is Rs. 880 and the interest in the 3rd year is Rs. 968. Find the rate of interest and the sum.