'A' has 200 notes of 3 dimensions Re.1 ,Rs 50 and Rs 100. He has to pay the bill of RS 156. In how many ways can he pay the bill ?
Any shortcut for these types ?
Jason mixes water in juice and sells at Rs. 80 per liter. Had he mixed only half the water that he does now, he would need to sell the juice at Rs. 100 per liter to earn same profit. What is the amount of water that is added in a liter of juice?
A and B started a business by investing Rs 29X and 82000 respectively. If A receives 20% profit in salary and part of A is more than part of B. The full benefit is divided according to its investment and B gets 5200 more than A. If the income of A and B is 16800 and 11200 then X =?
pqrs is a square . arc pr and qs are drawn on the square pqrs with centre at s & r respectively.find the ratio of area common to both arcs to the area of square pqrs
: A milkman has 6 cans , each of 10 litres of milk, of concentrations 20% , 30% , 40%, 50%, 70%, 80%. If he mixes from exactly 3 of the cans to form one litre of milk of exactly 50% concentration , in how many ways could he have selected the the three cans??