I said to the old man, "Don't sit on that chair, it is

If 2cos² Ɵ – 5cos Ɵ + 2 = 0,0⁰ < Ɵ < 90⁰ , then the value of (cosec Ɵ + cot Ɵ) is :

Which one of the following is the equation for Velocity Time relation?

If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P² + 1/Q²?

If 2y cos θ  = x sin θ  and 2x sec θ -  y cosec θ  = 3, then the value of x²+ 4y² is

10 women and 12 men complete a certain piece of work in 30 days, if each women takes thrice the time taken by a man to finish the work.

Which is the largest six digit number, which when divided by 12, 15, 20, 24 and 30, leaves the remainders 8, 11, 16, 20 and 26 respectively.

The expression of (cot θ + cosec θ −1) / (cot θ − cosec θ+1) is equal to

The simple interest accrued on a sum at the rate of 10% p.a. for two years is Rs. 5,000.

The value of the expression (1 + sec22° + cot68°)(1 – cosec22° + tan68°) is

There are 6 blue pens, 5 black pens and 4 green pens in a bag. Three pens are chosen randomly.