CBSE Pathshala

1. Find the amount and compound interest on Rs8000for 1year at 10 %per annum, compounded half yearly.  2. A certain sum amounts to Rs72900in 2 years at 8 %per annum compound interest, compounded annually. Find the sum 3.Three years ago, Beeru purchased a buffalo from Surjee for Rs11000. What payment will discharge his debt now if the rate of interest being 10%per annum compounded annually? 4.    Find the difference between the simple interest and the compound interest on Rs5000 for 2yearsat 6% per annum. 5.    Find the compound interest on Rs125000f or 9 months  0n 8%per annum, compounded quarterly. 6.    Sudershan deposited Rs32000in a bank, where the interest is credited quarterly. If the rate of interest be 5% annum, what amount will he receive after  6 months? 7.    Neeraj lent Rs 65536 for 2 years at 12%per annum, compounded annually. How much more could he earn if the interest were compound...

Probability: CBSE Test Paper -1 1. The probability of getting bad egg in a lot of 400 is 0.035.Then find the no. of bad eggs in the lot. [ans.14] 2. Write the probability of a sure event. [ans.1] 3. What is the probability of an impossible event. [ans.0] 4. When a dice is thrown, then find the probability of getting an odd number less than 3. [ans.1/6] 5. A girl calculates that the probability of her winning the third prize in a lottery is 0.08.If 6000 tickets are sold, how many ticket has she brought. [Ans.480] 6. What is probability that a non-leap year selected at random will contain 53 Sundays. [Ans.1/7] 7. A bag contains 40 balls out of which some are red, some are blue and remaining are black. If the probability of drawing a red ball is 11/20 and that of black ball is 1/5, then what is the no. of black ball. [Ans.10] 8. Two coins are tossed simultaneously. Find the probability of getting exactly one head. [Ans 1/2] 9. A card is drawn from a well suf...