1)Why pothole cover is in round shape?
2)Two travelers spend from 3 o’clock till 9 in walking along a level road, up a hill, and back home again: their pace on the level being 4 miles an hour, up hill 3, and down hill 6.
Find the distance walked: also (within half an hour) the time of reaching the top of the hill.
3)If the digits of my present age are reversed then i get the age of my son.If 1 year ago my age was twice as that of my son.Find my present age.
4)There are 6561 balls out of them 1 is heavy.Find the min. no. of times the balls have to be weighed for finding out the haevy ball
5)The product of 5 different temperatures is 12.If all of then r integers then find all the temperatures