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.
Correct Answer : C
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
A man driving his bike at 24 kmph reaches his office 5 minutes late. Had he driven 25% faster on an average he would have reached 4 minutes earlier than the scheduled time. How far is his office?
When price of wheat increased by 44%, a family reduced its consumption in such a way that the expenditure on wheat is only 20% more than before. If 60 kg of wheat was the previous consumption. Find the decrease in the consumption.