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10th Kerala Board
IMPORTANT
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From all two-digit numbers with either digit 1, 2, or 3 one number is chosen. What is the probability of the sum of the digits being 4?

Important Questions on Mathematics of Chance

MEDIUM
10th Kerala Board
IMPORTANT
Standard 10 Mathematics Part - 1>Chapter 3 - Mathematics of Chance>Exercise 3>Q (5)
A game for two players. First, each has to decide whether he wants odd number or even number. Then both raises some fingers of one hand. If the sum is odd, the one who chose odd at the beginning wins; if it is even the one who chose even wins. In this game, which is the better choice at the beginning, odd or even?
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10th Kerala Board
IMPORTANT
Standard 10 Mathematics Part - 1>Chapter 3 - Mathematics of Chance>Exercise 4>Q (1)
In class 10 A, there are 30 boys and 20 girls. In class 10 B, there are 15 boys and 25 girls. One student is to be selected from each class.
What is the probability of both being girls?
MEDIUM
10th Kerala Board
IMPORTANT
Standard 10 Mathematics Part - 1>Chapter 3 - Mathematics of Chance>Exercise 4>Q (1)
In class 10 A, there are 30 boys and 20 girls. In class 10 B, there are 15 boys and 25 girls. One student is to be selected from each class.
What is the probability of both being boys?
EASY
10th Kerala Board
IMPORTANT
Standard 10 Mathematics Part - 1>Chapter 3 - Mathematics of Chance>Exercise 4>Q (1)
In class 10 A, there are 30 boys and 20 girls. In class 10 B, there are 15 boys and 25 girls. One student is to be selected from each class.
What is the probability of being one boy and one girl?
EASY
10th Kerala Board
IMPORTANT
Standard 10 Mathematics Part - 1>Chapter 3 - Mathematics of Chance>Exercise 4>Q (1)
In class 10 A, there are 30 boys and 20 girls. In class 10 B, there are 15 boys and 25 girls. One student is to be selected from each class.
What is the probability of at least one boy?
EASY
10th Kerala Board
IMPORTANT
Standard 10 Mathematics Part - 1>Chapter 3 - Mathematics of Chance>Exercise 4>Q (2)

One is asked to say a two-digit number. What is the probability of both digits being the same?

EASY
10th Kerala Board
IMPORTANT
Standard 10 Mathematics Part - 1>Chapter 3 - Mathematics of Chance>Exercise 4>Q (2)

One is asked to say a two-digit number. What is the probability of the first digit being larger? 

EASY
10th Kerala Board
IMPORTANT
Standard 10 Mathematics Part - 1>Chapter 3 - Mathematics of Chance>Exercise 4>Q (2)

One is asked to say a two-digit number. What is the probability of the first digit being smaller?