Probability- Pairs - MultipleChoiceQuestions - STD 10
PROBABILITY - PAIRS
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Question 1 :
If two dice are rolled, what is the probability of getting a sum of 7?
A. 1/6
B. 1/12
C. 1/18
D. 1/36
Question 2 :
In
a class of 10 students, if two students are selected at random, what is
the probability that both are girls if there are 6 girls in the class?
A. 1/3
B. 3/7
C. 2/5
D. 1/2
Question 3 :
If two cards are drawn from a deck of 52 cards without replacement, what is the probability that both cards are aces?
A. 1/169
B. 1/221
C. 1/26
D. 1/1690
Question 4 :
What is the probability of drawing two red cards consecutively from a standard deck of 52 cards without replacement?
A. 25/102
B. 1/2
C. 26/51
D. 25/102
Question 5 :
In
a bag with 3 red balls, 2 green balls, and 5 blue balls, what is the
probability of drawing two red balls consecutively without replacement?
A. 1/15
B. 1/10
C. 3/20
D. 1/5
Question 6 :
A coin is flipped three times. What is the probability of getting exactly two heads?
A. 1/8
B. 3/8
C. 1/2
D. 5/8
Question 7 :
If a die is rolled twice, what is the probability of getting two numbers whose sum is greater than 9?
A. 1/4
B. 1/6
C. 1/3
D. 5/36
Question 8 :
In
a group of 8 people, if 2 people are chosen at random, what is the
probability that they both have the same birthday? (Assume 365 days in a
year)
A. 1/365
B. 1/183
C. 1/91
D. 1/45
Question 9 :
A
bag contains 3 red, 4 green, and 5 blue marbles. If two marbles are
drawn without replacement, what is the probability that they are both
green?
A. 1/11
B. 2/11
C. 1/15
D. 1/30
Question 10 :
A
jar contains 6 red balls, 5 green balls, and 4 blue balls. What is the
probability of drawing one red ball followed by one blue ball without
replacement?
A. 2/15
B. 1/7
C. 1/9
D. 4/35
Question 11 :
If a coin is flipped twice, what is the probability of getting at least one tail?
A. 1/4
B. 1/2
C. 3/4
D. 1
Question 12 :
If a number is chosen at random from 1 to 100, what is the probability that it is a multiple of both 2 and 3?
A. 1/2
B. 1/3
C. 1/6
D. 1/12
Question 13 :
Two cards are drawn from a deck of 52 cards with replacement. What is the probability that both cards are queens?
A. 1/169
B. 4/663
C. 1/221
D. 1/26
Question 14 :
What
is the probability that a randomly chosen number from 1 to 100 is a
prime number? (Assume there are 25 prime numbers between 1 and 100)
A. 1/2
B. 1/4
C. 1/3
D. 1/5
Question 15 :
If two fair dice are rolled, what is the probability of getting at least one 6?
A. 1/6
B. 5/36
C. 11/36
D. 1/3
Question 16 :
A
box contains 4 red, 3 blue, and 3 yellow balls. If two balls are drawn
at random without replacement, what is the probability that both are
red?
A. 2/15
B. 1/6
C. 1/15
D. 1/5
Question 17 :
If a die is rolled three times, what is the probability of getting three 4s?
A. 1/216
B. 1/72
C. 1/36
D. 1/6
Question 18 :
In
a group of 10 students, if two students are selected at random, what is
the probability that one is a boy and one is a girl if there are 5 boys
and 5 girls?
A. 1/2
B. 5/9
C. 1/3
D. 2/5
Question 19 :
A
bag contains 5 red balls, 6 green balls, and 4 blue balls. If two balls
are drawn without replacement, what is the probability that one is red
and the other is green?
A. 1/22
B. 5/21
C. 3/22
D. 5/11
Question 20 :
What is the probability of drawing two kings in succession from a standard deck of cards without replacement?
A. 1/221
B. 1/169
C. 1/325
D. 1/265
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