A college has raised 75% of the amount it needs for a new building by receiving an average donation of Rs 600 from the people already solicited. The people already solicited represent 60% of the total people the college will ask for donations. If the college is to raise exactly the amount needed for the new building, what should be the average donation from the remaining people to be solicited
Correct Answer : D
Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes
Rajesh went on a 20-mile test drive on his new Honda. He started with a certain speed. After covering each mile. he decreased his speed by 2S%. If he took 8· minutes 6 seconds to cover the first 4 miles, find the time he would take to cover the next 4 miles.
If a cube of maximum possible volume is cut off from a solid sphere of diameter d, then the volume of the remaining waste material of the sphere would be equal to