Fourth proportional to (a<sup>2</sup> - b<sup>2</sup>), (a<sup>2</sup> - ab), (a<…

If the annual income of A, B and C are in the ratio 1 : 3 : 7 and the total annual income of A and C is Rs. 800000, then…

The ratio of incomes of two persons is 5 : 3 and that of their expenditures is 9 : 5. If they save Rs. 2600 and Rs.1800 …

Ram got twice as many marks in English as in Science. His total mark in English, Science and Math are 180. If the ratio …

In a library the ratio of story books and other books is 7 : 2 and there are 1512 story books. Due to collection of some…

A bucket contains a mixture of two liquids A and B in the proportion 7 : 5. If 9 litres of mixture is replaced by 9 lite…

If a : b = 3 : 4, b : c = 4 : 7, then $$\frac{{a + b + c}}{c}$$   is equal to -

A man spends his two months income in three months time, if his monthly income is 6000 , then his annual savings is = ?