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.

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

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.

If the price of a pen is 30% of Rs. 44 and the price of a book is 44% of Rs. 30 then

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.

If the price of one exercise book is Rs. 6.50, Let's find the price of 15 such exercise books.

Let's find the opposite of the following (a) spent 10 Rs

If the cost of 0.75 part of a bag fo rice is Rs. 1800. Let's find the cost of 0.15 part of it.

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.