If one-third of one-fourth of a number is 15, then three-tenth of that number is :

The sum of two positive integers multiplied by the bigger number is 204, and their difference multiplied by th...

A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, Then how o...

If 35% of a number is 12 less than 50% of that number, then the number is :

If selling price is doubled, The profit triples. Find the profit percent.

The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 1250. The sum of the numbers is :

X and Y invested in a business. They earned some profit which they divided in the ratio of 2 : 3. If X investe...