If the rate of interest is 4% for the first year, 5% for the second year and 6% for the third year, then find the compound interest on โน10,000 for 3 years, if interest is compounded annually?
Anjali decided to spend 45% of her salary on shopping. On completion of her shopping, she realised that she bad spent only โน11,475, which was 60% of what she had decided to spend. How much is Anjali's salry?
The largest possible right circular cylinder is cm out from a wooden cube of edge 7 cm. Find the volume of the cube left over after cutting the cylinder (in cm).\( \text{use } \pi = \frac{22}{7} \)
The radius of a circular wheel of a toy car is 56 nun. In how many revolutions can it cover a distance of 176 cm?\( \text{use } \pi = \frac{22}{7} \)