Question
A man deposited 20% 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 years is Rs. 4200, find the monthly expenditure of the man which is 55% of his monthly salary.ÂSolution
Let the amount of money deposited in the bank be Rs. âxâ. So, x Ă [(1.1)2 â 1] = 4200 0.21x = 4200, x = 20000 So, monthly income of man = 20000/0.2 = Rs. 100000 Required monthly expenditure of man = 55% of 100000 = Rs. 55000
Which of the following elements has the highest electronegativity.
Which alloy is formed by mixing iron with carbon, nickel, and zinc?
Which of the following rock is not a sedimentary rock?
What term is used for atoms that have the same number of protons but different numbers of neutrons?
Which chemical compound is used in the indelible ink for elections?
Which of the following substances are ozone-depleting?
Select the correct answer from the code given below.
        I.  ...
The gas usually causing explosions in coal mines is-
Hydrogen exhibits properties similar to which groups in the periodic table?
What is the total number of carbon atoms in a molecule of butane?
Carbohydrates are organic compounds composed of which elements?Â