The book ‘Tomb of sand’ won the

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.

If a³ + 3a² + 9a = 1, then what is the value of a³ + (3/a)?

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

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

If sec θ + tan θ = m(> 1), then the value of sin θ is (0° < θ < 90°)

Quantity I – ³

Quantity II – 25⁴

If > 0 and < 0

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 0 ≤ θ ≤ 90°, and sec¹⁰⁷ θ + cos¹⁰⁷ θ = 2, then. (secθ + cosθ) is equal to:

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

If x + y + z = 0, then what is the value of (3y² + x² + z²)/(2y² – xz)?