Quantitative Aptitude - Arithmetic Ability Questions

If a3 + b3 + c3 - 3abc = 0, then the value of a2/bc + b2/ac - 3.

2sin[(C+D)/2].sin[(D­-C)/2] is equal to

A defective piece of article which costs Rs. 1200 is being sold at a loss of 15%. If the price is further reduced by 5%, find the S.P?

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

What is the value of sec 4π/3?

In an army selection process, the ratio of selected to unselected was 3:1. If 60 less had applied and 30 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

Find the odd word/letters/number pair from the given alternatives

The simple interest on a sum for 5 years is Rs 16800. The rate of interest for the first 3 years is 8% per annum and for the next 2 years is 12% per annum. What is the value (in Rs) of sum?