Question
Why does kerosene oil remain on the surface when mixed with
water?Solution
Kerosene oil floats on water because it has a lower density compared to water. This physical property means that kerosene is lighter relative to an equal volume of water. The phenomenon demonstrates the principle of buoyancy, wherein objects or substances with lower density rise to the surface of denser liquids.
A total amount is divided among A, B, and C in the ratio 7:6:5 respectively. The amount received by C is Rs. 330 less than the average of amounts receiv...
What would be the annual interest accrued on a deposit of Rs.24,550 in a bank that pays a 22% per annum rate of simple interest?
A man deposited 25% of his salary to a bank which offers compound interest at the rate of 10% p.a. If the interest earned by him from the bank after 2 y...
A certain sum when invested for 3 years in a scheme offering simple interest of 12% p.a. gives an interest of Rs. 918. What is 122% of the sum invested?
Calculate the compound interest earned by depositing Rs. 8,000 at an annual interest rate of 40%, compounded quarterly, for 9 months.
A certain sum of money becomes 4000 in 6 years and Rs. 5000 in 10 years at any certain rate of simple interest. Find the principal amount.
Ankit placed some money in a fixed deposit that provides a compound interest rate of 16% per annum, compounded yearly. At the end of two years, he recei...
Neil buys a Camera priced at 32000. He pays 8000 at once and the rest after 15 months on which he is charges a simple Interest at the rate of 18% per an...
Rs.9000 is divided into two parts such that if one part be invested at 5% and the other at 7%, the annual interest from both the investments is Rs. 580....
What will be the compound interest earned on an investment of Rs. 20,000 over a period of 3 years at an annual interest rate of 12%, compounded yearly?