If 2y cos θ  = x sin θ  and 2x sec θ -  y

If a³ = 117 + b³ and a = 3 + b, then the value of a + b is:

If x + y + z = 19, xyz = 216 and xy + yz + 2x = 114, then the value of √ x³ + y³ + z³ + xyz  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 one of the following is the equation for Velocity Time relation?

If 8x² + y² − 12x − 4xy + 9 = 0, then the value of (14x − 5y) is :

An urn contains 3 green, 5 blue, 6 black and 4 yellow marbles.

If a + b + c = 0 then the value of (1/(a+b)(b+c)) + (1/(b+c)(c+a)) + (1/(c+a)(a+b)) is

If α and β are the roots of equation x² – x + 1 = 0, then which equation will have roots α³ and β³?

If 3x + 5y + 7z = 49 and 9x + 8y + 21z = 126, then what is the value of y?