Quantitative Aptitude - Arithmetic Ability Questions

If 2secA - (1 + sinA)/cosA = x, then the value of x is

If [7(5x/3 - 3/2)]/2 + 3/2 = 1/4, then what is the value of x?

The value of (sec245 - cot245) - (sin230 + sin260) is

If x - y = 6 and xy = 40, then find x2 + y2 ?

Number of composite numbers lying between 67 and 101 is

Mishti's birthday is on Thursday 27th April. On what day of the week will be Aradhya's Birthday in the same year, if Aradhya was born on 20th October?

A shopkeeper by selling 9 Rolex watches, earns a profit equal to the selling price of 4 Rolex watches. His profit percentage is

If C = 1200 and D = 1500, then D is how much percent more than C?