If a family has consumed 800 units of energy (kWh) in a month and if one unit cost Rs 5, what would be the cost of electricity?

If one guitar costs Rs. 15,000. What will be the cost of 6 guitars?

6 bowls cost Rs 90. What would be the cost of 10 such bowls?

A certain household has consumed 250 units of energy during a month. How much energy is this in joules ?

One kg of rice costs Rs 42.65. What will be the cost of 18.25 kg of rice?

One metre of cloth costs Rs 152.50. What is the cost of 10.75 metre of cloths?

If 1 kg of common salt costs Rs. 7 and 1 kg of sugar costs Rs. 14. What would be the cost of 1 mole of salt and sugar-

The marginal cost MC of a product is given to be a constant multiple of number of units (x) produced. Find the total cost function if the fixed cost is Rs. 1000 and the cost of producing 30 units is Rs. 2800.

One notebook costs Rs. 10 and one pencil costs Rs. 2. What is the cost of x notebooks and y pencils?

Name the unit of energy that is used to measure the amount of electrical energy consumed at home.

If the cost of 93 m of a certain kind of plastic sheet is Rs 1395, then what would it cost to buy 105 m of such plastic sheet?