Quantitative Aptitude - Arithmetic Ability Questions

What is the value of sinAtanA/(1 - cosA)?

If x2+y2+z2-8x+6y-4z+29 = 0, then find the value of z(x+y).

Findout the odd word/letters/number/number pair from the given alternatives.
7 : 50 : : 9 : ?

If x/y = 2/3, then what is the ratio of (3x + 2y) and (3x – y)?

If x = 93 , y = 93 , z = 94 then the value of x2 - y2 + 10xz + 10yz is

If  C+1C = 3, then what is the value of C3+1C3 = ?

Speeds of a boat along the current and against the current are 14 km/hr and 7 km/hr respectively. What is the speed of boat (in km/hr) in still water?

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