Rain fall of a place in a week is 4cm, 5cm, 12cm, 3cm, 6cm, 8cm, 0.5cm. Find the average rainfall per day.

Rain fall of a place in the week is 4 cm, 5 cm, 12cm, 3cm, 6cm, 8cm, 0.5cm. Find the average rainfall per day.

The ages (in years) of players are in a team of 16, 16, 16, 14, 17, 18. Then find the following: (i) Age of the youngest and the oldest player. (ii) Mean age of the players. What is the average number of glasses of water that you drink per day? in a week. How did you find the average?

What is the average number of glasses of water that you drink per day in a week? How did you find the average?

Rahul owns rectangular field of length 400m and breadth 200m. His friend ramu owns a square field of length 300m. Find the cost of fencing the two fields at ₹ 150 per meter. if one tree can be planted in an area of 10 sq.cm who can plant more trees in his field? how many more trees can he planted more?

A man works for 8 hrs. On one day and 7 hrs on the second day. If he earns ₹45 per an hour. How much will be his total earnings. Express it in mathematical notation.

A house has three tube lights, two fans and a Television. Each tube light draws 40W. The fan draws 80W and the Television draws 60W. On the average all the tube lights are kept on for five hours, two fans for 12 hours and the television for five hours every day. Find the cost of electric energy used in 30 days at the of Rs. 3.00 per KWH.

A house has four tube-lights, three fans and a television. Each tube-light draws 40 W. The fan draws 80 w and the television draws 100 W. On an average, all the tube-lights are kept on for 5 hours, all fans for 12 hour and the television for 6 hours everyday. Find the cost of electric energy used in 30 days at the rate of Rs. 3.00 per KWH.

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?