Quantitative Aptitude
What is the simple interest on ₹4,840 at 6% per annum for 10 years?
On selling 15 balls for ₹450, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:
The curved surface area of a right circular cone is 44cm 2. If the slant height of the cone is 7 cm, then find the radius of its base. \( \text{use } \pi = \frac{22}{7} \)
The surface area of a sphere is 2464 cm2 . Find the radius of the sphere. \( \text{use } \pi = \frac{22}{7} \)