Quantitative Aptitude - Arithmetic Ability Questions

∆ABC is right angled at B. BD is an altitude. AD = 4 cm and DC = 9 cm. What is the value of BD (in cm)?

In an army selection process, the ratio of selected to unselected candidates was 9:2. If 80 less had applied and 20 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

Two numbers whose sum is 84 can not be in the ratio

Rs. 782 is divided into 3 parts in the ratio 12:23:34, the first part is 

If a - b = 1 and ab = 6, then what is the value of a3- b3?

At 15% discount the selling price of a microwave oven is Rs 34000, what is the selling price if the discount is 37.5%?

In the following question, select the odd word from the given alternatives.

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