The average monthly salary of 20 workers in an office is Rs 7650. If the manager's salary is added, the average salary becomes Rs 8200 per month. What is the manager salary per month?

Meeta saves Rs. 400 from her salary. If this is 10% of her salary. What is her salary?

Puneet Sharma starts his job in a school with a certain monthly salary and earns a fixed increment every year. If his salary was rs.15000 after 4 years service and rs. 18000 after 10 years of service. What was his starting salary and what is the annual increment?

A man got a 10% increase in his salary. If his new salary is Rs 1,54,000, find his original salary.

A family pays 1000 for electricity on an average in those months in which it does not use a water heater. In the months in which it uses a water heater, the average electricity bill is 1240. The cost of using the water heater is ? 8.00 per hour. Find the average number of hours the water heater is used in a day.

A family pays ? 1000 for electricity on an average in those months in which it does not use a water heater. In the months in which it uses a water heater, the average electricity bill is ? 1240. The cost of using the water heater is ? 8.00 per hour. Find the average number of hours the water heater is used in a day.