For the following questions answer them individually
A solid cube of side 12 cm is cut into eight smaller cubes of equal volume. The side of the small cube will be:
Six years ago the ratio of ages of P and Q was 6 : 5. Four years hence, it will be 11 : 10. What is the age of P now ?
Two taps P and Q take 60 minutes and 40 minutes to fill a cistern separately. If tap Q is open for the first half time and aloneis open for the remaining time, how longwill it take to fill the cistern?