Quantitative Aptitude
If a : b : c = 3 :2 :4 and b : d = 2:3, then find the value of \(\left(\frac{a + c + d}{\,c - d\,}\right)^3\)
If the cost price of an item is ₹2,000 and it is sold at a loss of 25%, then find its selling price.
The sum of the radius and the diameter of a solid sphere is 63 cm. What will be the volume of this sphere? \(\text{(Use }\pi = \tfrac{22}{7}\text{)}\)
What is the simple interest on a principal of ₹16,000 for 3 years at the rate of 10% per annum?
What is the compound interest on ₹80,000 for 1 year at 10 per cent per annum, compounded half yearly?