A cube has a volume of 216 cm³. Determine the area of a single face of the cube?

The ratio of ages of A and B is 4:3. If A is 5 years older than B, find the age of B.

Find minimum of x + 9/x for x>0.

Find the value of x in 5 ^{(5x – 6)}  = 25 ^{(3x – 3)} 

A principal of ₹5000 is invested at a simple interest rate of 8% per annum. What will be the interest earned after 3 years?

Let f: [3, ∞) → R be defined by f(x) = x² – 6x + 11. The range of f is:

How many chairs must be sold for Rs. 25,600 to achieve a 25% profit, given that 50 chairs were originally purchased for the same amount?