A lady buys goods worth rs.200 from a shop.(shopkeeper selling the goods with zero profit). The lady gives him 1000 rs note. the shopkeeper gets the change from the next shop and keeps 200 for himself and returns rs 800 to the lady.later the shopkeeper of the next shop comes with 1000 rs note saying duplicate and takes his money back. " how much loss did the shopkeeper face"?
The ration between the speed of truck,car and train is 3:8:12. The car moved uniformly and covered a distance of 1040 km in 13 hrs. What is the average speed of the truck and the train together ??
A sum of money at simple interest amounts to rs. 14,160 in 3 years. If the rate of interest is increased to 25%, the same sum amounts to Rs. 14,700 in the same time time. The rate of interest is?
if a sphare of radi x is melted and its volume is divided in to 2 equal parts,one part cast into cylinder of height 10cm, other is a cone of same height , ratio of cylinder to cone radius is ?