Question

MR COACHING CLASSES
MITUL ENGINEER/RAVI CHAUHAN
SUB; - Maths CH:15 Paper DATE: 06/05/2021 STD: - 10 MARKS: 60
Q-1 Solve the following: [2 Marks Each]
[30]
1. A die is thrown once. What is the probability that it shows (i) a 3' (ii) a'5
(iii) an odd number (iv) a number greater than 4.
2. Two coins are tossed simultaneously. What is the probability of getting at least one head?
3. A bag contains 5 red ball and some blue balls. If the probability of drawing a blue ball
from the bag is thrice that of a red ball. Find the number of blue balls in the bag.
4.) The probability of an impossible event is
(ii) The sum of probabilities of all outcomes of an experiment is
5. There are 35 students in a class of whom 20 are boys and 15 are girls. From these students one is
chosen at random. What is the probability that the chosen student is a () boy () girl?
6. In a family of 3 children, find the probability of having at least one boy.
7. A bag contains 4 white balls, 5 red balls, 2 black balls and 4 green balls. A ball is drawn at random
from the bag. Find the probability that it is (c) black (ii) not green (iii) red or white
(iv) neither red nor green
8. A card is drawn at random from a well- shuffled pack of 52 cards. Find the probability that the
drawn card is neither a king nor a queen.
9. A card is drawn at random from a well shuffled pack of 52 cards. Find the probability that the
card drawn is neither a red card nor a queen.
10. A game consists of fossing a one-rupee coin three times and noting its outcome each time
Hanif wins if all the tosses give the same result, Le, three heads or three tails and loses
SAN​

Answer 1

Bhai isko read krne mein hi aadhi ganta lagega