The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8…

If x<sup>2</sup> + 4y<sup>2</sup> = 4xy, then x : y is -

The difference between two positive numbers is 10 and the ratio between them is 5 : 3. Find the product of the two numbe…

A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7 : 2 and 7 : 11 respectively. If equal…

Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes…

Rs. 730 were divided among A,B,C in such a way that if A gets Rs. 3 then B gets Rs. 4 and If B gets Rs. 3.5 then C gets …

The ration 4<sup>3.5</sup> : 2<sup>5</sup> is the same as = ?

A mixture contains spirit and water in the ratio of 3 : 2. If it contains 3 litres more spirit than water, the quantity …