In which year was the Prohibition of Child Marriage Act

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

If x⁴ + 2x³ + ax² + bx + 9 is a perfect square, where a and b are positive real numbers, then the value of a and b are

If x + y = 7 and xy = 10, then the value of (1/x³ + 1/x³) is :

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

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.

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

If (a + b)/c = 6/5 and (b + c)/a = 9/2, then what is the value of (a + c)/b?

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

The total number of even factors of 2⁵ × 3³ × 5² is:

If -5 ≤ x ≤ 3 and -1 ≤ y ≤ 0, then the minimum value of 2y – 3x is: