Quantitative Aptitude - Arithmetic Ability Questions

In ΔDEF measure of angle E is 90°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?

The bus fare between two cities is increased in the ratio 29:31. What is the increase in the fare, if the original fare is Rs 725

∆DEF is right angled at E. If cosD = 5/13, then what is the value of tanF?

Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500 .The smallest numbers is

20 kg of a mixture of wheat and husk contains 5% husk. How many kg more of husk must be added to make the husk content 20% in the new mixture?

A line passing through the origin perpendicularly cuts the line 3x - 2y = 6 at point M. Find M?

Choose the odd word/letters/number/number pair from the given alternatives.

A's income is 25% more than B's income. B's income is what percent of A's income?