Gagandeep marks his goods 50% above the cost price and offers a discount of 25% on the marked price to his customers. What is the percentage gain of Gagandeep?
The bar graph below shows the number of boys and girls of a certain locality and the number of hours per week that they spend on playing video games.
The number of boys spending more than 10 hours per week on playing video games is what percentage (rounded off to the nearest integer) more/less than the number of girls spending less than 13 hours per week on playing video games?
A cooperative society increases the annual rate of simple interest from 10% to 16(1/2)%, then the yearly income of a person increases by ₹1,077.70. The simple interest (in₹) on the sum at 10% for four years will be:
The weight of a sphere is jointly proportional to the cube of its radius and the density of the material of which it is made. The radii of two spheres are 17 : 8 and the densities of materials 3 : 4. If the weight of the second sphere be 40 kg, then the approximate weight of the first sphere is:
