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In a class, the number of students studying English and Math is in the ratio 3:4. If 12 additional students join the Math group, the ratio of students s...
Four numbers A, B, C and D are such that the ratio of A:B is 4:7 and ratio of B:C is 3:5. If the sum of A and D is 100 and sum of C and D is 146, then f...
If the ratio of the sum invested and simple interest received after 1 year is 25:9 respectively, then find the rate of interest.
A bag contains 10-paisa, 20-paisa and 50-paisa coins in the ratio of 9:7:5, respectively. If the total amount in the bag is Rs. 48, then find 40% of the...
L’s income is 125 percent of M’s income and L’s expenditure is 120 percent of M’s expenditure. If L’s income is 180 percent of M’s expenditu...
The population of Tigers is decreased by a certain rate of Interest (Compounded annually). If the current population of Tigers be 11520 and the ratio of...