## Speed of the car

A wheel of car of radius 21 cm is rotating at 600 RPM. What is the speed of car in km/hr?

A wheel of car of radius 21 cm is rotating at 600 RPM. What is the speed of car in km/hr?

Linear and Non-linear Equations In the month of February, Meeta paid Rs. 620 for 5 kg oil and 2 kg “ghee”. In next month she found that price of oil is increased by 10% and of Ghee by 5%, which increase her total expanses on the same amount of oil and ghee by Rs. 46 What was the original price of oil?

A person is known to hit the target in 3 shots out of 4 shots. What are the chances that the target is not hit by him?

Linear and Non-linear Equations A thermometer shows temperature in degree Celsius as well as in degree Fahrenheit. The relation between both temperature is given by F = (9/5) C + 32. What would be the temperature in degree Fahrenheit for 30oC?