# SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board chapter 5 - Probability [Latest edition]

## Solutions for Chapter 5: Probability

Below listed, you can find solutions for Chapter 5 of Maharashtra State Board SCERT Maharashtra Question Bank for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board.

Q.1 (A)Q.1 (B)Q.2 (A)Q.2 (B)Q.3 (A)Q.3 (B)Q.4Q.5
Q.1 (A)

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board Chapter 5 Probability Q.1 (A)

#### MCQ [1 mark]

Q.1 (A) | Q 1

Choose the correct alternative answer for the following question and write the alphabet.

Which of the following number cannot represent a probability?

• 0.66

• 1.5

• 0.15

• 0.7

Q.1 (A) | Q 2

If n(A) = 5 , P(A) = 1/2 then n(S) = ?

• 10

• 3/5

• 4/5

• 1/3

Q.1 (A) | Q 3

When a dice is thrown, the number of sample points in the sample space are ______

• 4

• 6

• 2

• 52

Q.1 (A) | Q 4

In how many ways a card can be drawn from a well shuffled pack of playing cards?

• 4

• 1

• 26

• 52

Q.1 (A) | Q 5

What is the probability of the event that a number chosen from 1 to 50 is a prime number?

• 3/10

• 1/2

• 1/4

• 3/25

Q.1 (A) | Q 6

Which of the following options shows the highest probability?

• 4/5

• 0.83

• 58%

• 1/2

Q.1 (A) | Q 7

When two dice are thrown, the number of sample points in the sample space are ______

• 6

• 12

• 36

• 52

Q.1 (B)

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board Chapter 5 Probability Q.1 (B)

#### Solve the following sub-questions [1 mark]

Q.1 (B) | Q 1

Write a sample space if two coins are tossed simultaneously

Q.1 (B) | Q 2

Write a sample space when a die is thrown

Q.1 (B) | Q 3

In a set of 25 cards, each card bears only one number from 1 to 25. One card is drawn randomly. Write the sample space for this random experiment

Q.1 (B) | Q 4

A two-digit number is formed with digits 2, 3, 5 without repetition. Write the sample space

Q.1 (B) | Q 5

Write the event in the set form for the following random experiment. ‘If one die is thrown, the number obtained on the upper face is even.’

Q.2 (A)

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board Chapter 5 Probability Q.2 (A)

#### Complete the following activity [2 Marks]

Q.2 (A) | Q 1

If one die is rolled, then find the probability of the following event by completing the activity.

Event A: The number on the upper face is prime.

Activity: Let ‘S’ be the sample space.

S = {1, 2, 3, 4, 5, 6}

∴ n(S) = 6

Event A: Prime number on the upper face.

A = {square}

∴ n(A) = 3

P(A) = square/(n(S))    .....[Formula]

= square/6

∴ P(A) = 1/square

Q.2 (A) | Q 2

Two coins are tossed simultaneously. Write the sample space (S) and expected sample points in the given events by completing the activity.

1. Event A: to get at least one head.
2. Event B: to get no head.

Activity: Let ‘S’ be the sample space, when two coins are tossed simultaneously.

∴ S = {square, HT, TH, square}

i. Event A: to get at least one head.

∴ A = {HH, square, TH}

ii. Event B: to get no head.

∴ B = {square}.

Q.2 (A) | Q 3

A card is drawn from a well shuffled pack of 52 playing cards. Find the probability of the event, the card drawn is a red card.

Activity: Let ‘S’ be the sample space.

∴ n(S) = 52

Event A: Card drawn is a red card.

∴ Total red cards = square hearts + 13 diamonds

∴ n(A) = square

∴ P(A) = square/(n("S"))    ......[Formula]

P(A) = 26/52

P(A) = square

Q.2 (A) | Q 4

In Adarsh High School, out of 30 students in a class 3 students wear glasses (spectacles). If a student in the class is randomly selected, find the probability that he or she wears glasses (spectacles) by completing the following activity

Activity: There are a total of 30 students in the class.

∴ n(S) = square

Event: A selected student wears glasses (spectacles).

∴ n(A) = square

P(A) = square/("n"("S"))     ......[Formula]

P(A) = square

Q.2 (B)

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board Chapter 5 Probability Q.2 (B)

#### Solve the following sub-questions [2 Marks]

Q.2 (B) | Q 1

A card is drawn at random from a pack of well shuffled 52 playing cards. Find the probability that the card drawn is a spade.

Q.2 (B) | Q 2

If two coins are tossed, find the probability of event getting head on both the coins

Q.2 (B) | Q 3

If one die is rolled, then find the probability of event that the number on the upper face is greater than 6?

Q.2 (B) | Q 4

If three coins are tossed simultaneously, find the probability of the event to get no head

Q.2 (B) | Q 5

There are 30 cards in a box, each bearing one of the numbers from 1 to 30. One card is drawn at random from the box. Find the probability of event that the card drawn shows a number which is a multiple of 5

Q.3 (A)

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board Chapter 5 Probability Q.3 (A)

#### Complete the following activity [3 Marks]

Q.3 (A) | Q 1. ii)

A box contains 5 strawberry chocolates, 6 coffee chocolates, and 2 peppermint chocolates. If one of the chocolates is picked from the box at random, find the probability of the following events by completing the activity.

Event A: it is coffee chocolate.

Activity: Let ‘S’ be the sample space.

∴ n(S) = 5 + 6 + 2 = 13

Event A: it is a coffee chocolate.

∴ n(A) = square

∴ P(A) = square/("n"("S"))     .......[Formula]

P (A) = square/13

Q.3 (A) | Q 1. ii)

A box contains 5 strawberry chocolates, 6 coffee chocolates and 2 peppermint chocolates. If one of the chocolates is picked from the box at random, find the probability of the following events by completing the activity.

Activity : Let ‘S’ is the sample space.

∴ n(S) = 5 + 6 + 2 = 13

Event B: it is a peppermint chocolate.

∴ n(B) = square

∴ P(B) = square/("n"("S"))     .......[Formula]

P(B) = square/13

Q.3 (B)

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board Chapter 5 Probability Q.3 (B)

Q.3 (B) | Q 1. i)

If two dice are rolled simultaneously, find the probability of the following events.

Event A: The sum of the digits on the upper faces is at least 10

Q.3 (B) | Q 1. ii)

If two dice are rolled simultaneously, find the probability of the following events.

Event B: The sum of the digits on the upper faces is 33

Q.3 (B) | Q 2. i)

If three coins are tossed simultaneously, find the probability of the following events

Event A: To get no head.

Q.3 (B) | Q 2. ii)

If three coins are tossed simultaneously, find the probability of the following events.

Event B: To get at least two heads.

Q.3 (B) | Q 3. i)

If One coin and one die are thrown simultaneously, find the probability of the following events.

Event A: To get a tail and an even number

Q.3 (B) | Q 3. ii)

If One coin and one die are thrown simultaneously, find the probability of the following events.

Event B: To get head and an odd number

Q.3 (B) | Q 4. i)

A balloon vendor has 2 red, 3 blue and 4 green balloons. He wants to choose one of them at random to give it to Pranali. What is the probability of the event that Pranali gets, a red balloon

Q.3 (B) | Q 4. ii)

A balloon vendor has 2 red, 3 blue and 4 green balloons. He wants to choose one of them at random to give it to Pranali. What is the probability of the event that Pranali gets, a blue balloon

Q.4

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board Chapter 5 Probability Q.4

#### Solve the following sub-questions [4 Marks]

Q.4 | Q 1

What is the probability that an ordinary year has 53 Sundays?

Q.4 | Q 2

What is the probability that a leap year has 53 Sundays?

Q.4 | Q 3. (i)

A box contains 36 cards, bearing only one number from 1 to 36 on each. If one card is drawn at random, find the probability of an event that the card drawn bears, a complete square number

Q.4 | Q 3. (ii)

A box contains 36 cards, bearing only one number from 1 to 36 on each. If one card is drawn at random, find the probability of an event that the card drawn bears, a prime number

Q.4 | Q 3. (iii)

A box contains 36 cards, bearing only one number from 1 to 36 on each. If one card is drawn at random, find the probability of an event that the card drawn bears, a number divisible by 3

Q.5

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board Chapter 5 Probability Q.5

#### Creative questions of [3 Marks]

Q.5 | Q 1

A bag contains 5 white balls and some blue balls. If the probability of drawing a blue ball is double that of a white ball, determine the number of blue balls in the bag

Q.5 | Q 2

The faces of a die bear numbers 0, 1, 2, 3, 4, 5. If the die is rolled twice, then find the probability that the product of digits on the upper face is zero.

Q.5 | Q 3

A missing helicopter is reported to have crashed somewhere in the rectangular region shown in the figure. What is the probability that it crashed inside the lake shown in the figure?

Q.5 | Q 4

Three horses A, B and C are in a race, A is twice as likely to win as B and B is twice as likely to win as C. What are their probabilities of winning?

Q.5 | Q 5

A bag contains 8 red balls and some blue balls. If one ball is drawn randomly the probability of drawing a red ball to a blue ball are in the ratio 5 : 2, determine the probability of drawing a blue ball from the bag.

## Solutions for Chapter 5: Probability

Q.1 (A)Q.1 (B)Q.2 (A)Q.2 (B)Q.3 (A)Q.3 (B)Q.4Q.5

## SCERT Maharashtra Question Bank solutions for 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board chapter 5 - Probability

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Concepts covered in 10th Standard SSC Mathematics 1 Algebra Maharashtra State Board chapter 5 Probability are Probability - A Theoretical Approach, Basic Ideas of Probability, Random Experiments, Equally Likely Outcomes, Type of Event - Elementry, Type of Event - Complementry, Outcome, Sample Space, Event and Its Types, Probability of an Event, Type of Event - Exclusive, Type of Event - Exhaustive, Concept Or Properties of Probability, Addition Theorem.

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