Algebra
Chapter No 4 Probability
1. If
two coins are tossed the find the probability of a) at least one tail turns up b) no head turns up. (2m)
2. A
single dice is thrown. Find the probability of a) getting an odd number b) a perfect square. (2m)
3. A
box contains card marked with number 1 to 20. One card is drawn in random. What
is the probability a) the number on the
card is prime b) the number on the card
is a perfect square. (3m)
4. One
card is drawn form a well shuffled deck of 52 cards. Fin the probability of
getting a) a king of red colour b)a face card c) a red face card. (3m)
- A two digit is formed from digits 2,3,5,7,9 without repetitions. Find the probability of the event (a) the number so formed is odd, (b) the number is multiple of 5. (3m)
- Find the probability that leap year has 53 Sundays. (3m)
7. Two
dice are thrown. Find the probability of
a)sum of the number on their upper faces is at least nine
b)
sum of the number on the upper face is divisible by 8
c)same number on upper faces of both the
dice. (4m)