Question
Water cannot be used to extinguish fire caused by
electric current, because –Solution
Using water for putting out electric fires is risky, as the firemen can be electrocuted by the water jet. Water is a good conductor of electricity, and, the electric current flows through the water jet directly into the hands of the person who is holding the water- hose, resulting in immediate electrocution
Ankush puts Rs. 8,000 into two separate Systematic Investment Plans (SIPs) at a compound interest rate of 20% per annum. In SIP 'X', the investment is f...
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Divide Rs 2,760 in to two parts such that when these are invested for 2 and 4 years, respectively, at the rate of 5% per annum simple interest, the amou...
Rs.5,000 is divided into two parts such that if one part is invested at 4% and the other at 5%, then the whole annual interest from both sums is Rs.223....
Investor V placed Rs. (a + 3000) in a compound interest account with an annual interest rate of r%, compounded annually for a span of 2 years. Simultane...
A man deposited Rs. ‘x + 850’ at 12% per annum simple interest and earned Rs. 552 as interest after 2 years. Find the interest earned by him if he d...
Rs.26000 is split into two sums such that the Simple Interest on one part for 5 years at 10% equals the Simple Interest on the other part for 6 years at...
Vikram invested Rs. 2400 at R% p.a. simple interest for 4 years and Rs. 800 at (R + 9)% p.a. simple interest for 8 years. If the total interest earned e...
A sum of money gets thrice in 10 years , in how many years it will be 27 times in CI?
