Quantitative Aptitude - Arithmetic Ability Questions

The two sides holding the right-angle in a right-angled triangle are 3 cm and 4 cm long. The area of its circumcircle will be in sq.cm:

For triangle PQR, find equation of altitude PS if co-­ordinates of P, Q and R are (1,2), (2,­-1) and (0,5) respectively?

sin(A+B) -­ sin(A-­B) is equal to

What is the value of Cot 45° + Cosec 60°?

If a = 3+23-2, b = 3-23+2 then a2+b2-ab ?

Find equation of the perpendicular bisector of segment joining the points (2,­6) and (4,0)?

Select the odd number from the given alternatives.

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