8 students appear in an examination. In how many ways

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

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

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

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.

Quantity I – In how many ways letters of MOBILE can be arranged when vowels are always together.

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.

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

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

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

If (x - 1/x)² = 3, then the value of x⁶ + 1/x⁶ equals