Quantitative Aptitude - Arithmetic Ability Questions

For triangle PQR, find equation of altitude PS if co­-ordinates of P, Q and R are (6,2), (0,3) and (­-4,5) respectively?

If Sumita earns 75/4% more than her boyfriend, find the approximate % her boyfriend earns less than Sunita.

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.

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

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