Find
50% of 164

Find 75% of 12

Find: 75% of 1 kg

Find: 15% of 250

Find: 1% of 1 hour

Find: 20% of Rs.2500

Can you eat 50% of a cake?

What happens when 50% of copper, 35% of zinc and 15% of nickel combine together?

In making of utensils and idols, an alloy is used which is made up of 50% of copper, 35% of zinc, 15% of nickle. What is that alloy called?

In a refrigerator, one removes heat from a lower temperature and deposits to the surroundings at a higher temperature. In this process, mechanical work has to be done, which is provided by an electric motor. If the motor is of 1kW power, and heat is transferred from -3^@ C to 27^@C , find the heat taken out of the refrigerator per second assuming its efficiency is 50% of a perfect engine.