What will be the percentage of increase in the area of a square when each of the its sides is increased by 10%

By selling a tape - recorder for ₹ 1040 a man gains 4% . If he sells if for ₹ 950 , his loss will be

The compound ratio of the inverse ratios of the ratios x : yz , y : zx , z : xy is :

A man bought a watch for 10% discount.If he had bought for 20% discount he would have got the watch for ₹ 125 less . The marked price of the watch is

The perimeters of a square and a rectangle are equal . If their area be 'A' m2 and 'B' m2 then correct statement is

36 men together can build a wall 140 m long in 21 days ; the number of men working at the same rate required to build the same wall in 14 days is