Class 10 Math ICSE IMPORTANT QUESTION SET1

1. Ben deposits a certain sum of money each month in a recurring deposit account of a bank. If the rate of interest is 8% per annum and Ben gets Rs. 8,088 from the bank after 3 years, find the value of his monthly instalment.
2. A bag contains 5 white balls, 6 red balls and 9 green balls. A ball is drawn at random from the bag. Find the probability that the ball drawn is:
1. a green ball
2. a white or a red ball
3. neither a green ball nor a white ball
3. Geetha repays her total loan of 1,18,000 by paying instalments every month. If the instalment for the first month is 1,000 and it increases by 100 every month, what amount will she pay as the 30th instalment of the loan? What amount of the loan has she to still pay after the 30th instalment?
4. Prove that (3x − 2) is a factor of 18 − 3 + 6x – 12
5. Find a GP for which the sum of the first two terms is −4 and the fifth term is 4 times the third term.
6. A man invests a certain sum on buying 15% Rs. 100 shares at 20% premium. Find
1. His income from one share
2. The number of shares bought to have an income from the dividend as Rs. 6480
3. The sum invested
7.  School has 630 students. The ratio of the number of boys to the number of girls is 3:2. This ratio changes to 7:5 after the admission of 90 new students. Find the number of newly admitted boys.
8.  Ankit deposits Rs 2,250 per month in a recurring deposit account for a period of 3 years. At the time of maturity, he will get Rs 90,990.
1. Find the rate of simple interest per annum
2. Find the total interest earned by Ankit.

Class 10 Physics ICSE IMPORTANT QUESTION SET1