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 ₹10,000 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 ₹11,475, 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).
Two beakers contain acid and water in the ratio 2 : 3 and 3 : 4 respectively. If equal volumes of the mixtures from these two beakers are poured into a common beaker, find the resultant ratio of acid to water in the mixture in the common beaker.
