Quantitative Aptitude - Arithmetic Ability Questions

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

What is the value of 2sec2A?

If (36 - 16x) - (4x - 8) = 4, then the value of x is

If 4(2x + 3) > 5 -­ x and 5x - ­3(2x­ - 7) > 3x -­ 1, then x can take which of the following values?

The ratio of two numbers is 5 : 6. If their product is 1470, then what is the sum of both the numbers?

In the following question, select the related number from the given alternatives.

695 : 659 : : 839 : ?

 In the following question, select the odd letter/letters from the given alternatives.