Probability Chapter Boards Questions Class 10 CBSE
Here we provide Class 10 Maths important notes,board questions and predicted questions with Answers for chapter Probability. These important notes,board questions and predicted questions are based on CBSE board curriculum and correspond to the most recent Class 10 Maths syllabus. By practising these Class 10 materials, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 10 Board examinations.
2016
Q1
A card is drawn at random from a well shuffled pack of 52 playing cards find the probability of
getting neither a red card nor a queen.
solutions
solutions
Q2
Three different coins are tossed together, find the probability of getting
(i) exactly 2 heads
(ii) at least 2 heads
(iii) at least 2 tails
solutions
(i) exactly 2 heads
(ii) at least 2 heads
(iii) at least 2 tails
solutions
Q3
A number x selected at random from the number 1, 2, 3 and 4 another number y selected at random from
the number 1, 4, 9 and 16. Find the probability that product of x and y is less than 16.
solutions
solutions
2017
Q4
The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18. What is the
number of rotten apples in the heap ?
solutions
solutions
Q5
A bag contains 15 white and some black balls if the probability of drawing a black ball from the bag
is thrice that of drawing a white ball find the number of black balls in the bag
solutions
solutions
Q6
Two different dice are thrown together find the probability that the number obtained have
(i) even sum and
(ii) even product
solutions
(i) even sum and
(ii) even product
solutions
2018
Q7
Two different dice are tossed together find the probability of
(i) getting a doublet
(ii) of getting a sum 10 of the number on the two dice
solutions
(i) getting a doublet
(ii) of getting a sum 10 of the number on the two dice
solutions
Q8
An integer is chosen at random between 1 and 100 find the probability that
(i) it is divisible by 8
(ii) not divisible by 8
solutions
(i) it is divisible by 8
(ii) not divisible by 8
solutions
2019
Q9
The the probability of selecting a blue marble at random from a jar that contains only blue, black
and green marbles is 1/5. The probability of selecting a black marble at random from the same jar is
1/4. If the jar contains 11 green marbles, find the total number of marbles in the jar.
solutions
solutions
2020
Q10
A letter of English alphabet is chosen at random. What is the probability that the chosen letter is
a consonant.
solutions
solutions
Q11
If a number X is chosen at random from the numbers -3, -2, -1, 0, 1, 2, 3. What is the probability
that x2 ≤ 4 ?
solutions
solutions
Q12
The probability that a number selected at random from the numbers 1, 2, 3 ,.............15 is a
multiple of 4 is
(a) 4/15
(b) 2/15
(c) 1/15
(d) 1/5
solutions
(a) 4/15
(b) 2/15
(c) 1/15
(d) 1/5
solutions
Q13
If a pair of dice is thrown once then what is the probability of getting a sum of 8?
solutions
solutions
Q14
A bag contains 5 red balls and some blue balls if the probability of drawing a blue ball at random
from the bag is 3 times that of a red ball, find the number of blue balls in the bag.
solutions
solutions
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