10 years ago father was seven times as old as his son. 2 years hence twice his age will be equal to five times his son. What is the present age of son?
Ram showed an old man and said “his son is my son’s uncle”. How is the old man related to Ram?
Under a scheme of investment, the rate of interest is 4% and the interest is compounded three-monthly. What will be the amount if a man invests Rs. 2000 for 1 year under this scheme?
If CANDLE is EYPBNC, then FLAMES is?
By how much per cent must a motorist increase his speed in order to reduce by 20%, the time taken to cover a certain distance?
A certain number of two digits is three times the sum of its digits.If 45 be added to it, the digits are reversed. The number is: