The ratio of the quantities is 5: 7. If the consequent of its inverse ratio is 5, the antecedent is

Question is mentioned below :

The number which when subtracted from each of the terms of the ratio 19 : 31 reducing it to 1 : 4 is

If 2s : 3t is the duplicate ratio of 2s-p : 3t - p then

Division of 324 between X and Y is in the ratio 11 : 7. X & Y would get Rupees

Daily earnings of two persons are in the ratio 4:5 and their daily expenses are in the ratio 7:9. If each saves 50 per day, their daily earnings are

The ratio of two quantities is 3: 4. If the antecedent is 15, the consequent is

If p : q = 2 : 3 and x : y = 4 : 5, then the value of 5px + 3qy : 10px + 4qy is

The inverse ratio of 11 : 15 is

The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 kms. in 5 hours, the speed of the first train is