NCERT Solutions for Class 7 Maths Exercise 3.4

NCERT Solutions for Class 7 Maths Exercise 3.4 book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 7 Maths chapter wise NCERT solution for Maths Book all the chapters can be downloaded from our website and myCBSEguide mobile app for free.

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NCERT Solutions for Class 7 Maths Data Handling

Class –VII Mathematics (Ex. 3.4)

Question 1.Tell whether the following is certain to happen, impossible can happen but not certain.

(i) You are older today than yesterday.

(ii) A tossed coin will land heads up.

(iii) A die when tossed shall land up with 8 on top.

(iv) The next traffic light seen will be green.

(v) Tomorrow will be a cloudy day.

Answer:

(i) It is certain to happen.

(ii) It can happen but not certain.

(iii) It is impossible.

(iv) It can happen but not certain.

(v) It can happen but not certain.

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NCERT Solutions for Class 7 Maths Exercise 3.4

Question 2.There are 6 marbles in a box with numbers from 1 to 6 marked on each of them.

(i) What is the probability of drawing a marble with number 2?

(ii) What is the probability of drawing a marble with number 5?

Answer:

Total marbles from 1 to 6 marked in a box = 6

(i)The probability of drawing a marble with number 2.

{tex} \Rightarrow {/tex} P (drawing one marble) = {tex}\frac{1}{6}{/tex}

(ii)The probability of drawing a marble with number 5.

{tex} \Rightarrow {/tex} P (drawing one marble) = {tex}\frac{1}{6}{/tex}

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NCERT Solutions for Class 7 Maths Exercise 3.4

Question 3.A coin is flipped to decide which team starts the game. What is the probability that your team will start?

Answer:

A coin has two possible outcomes Head and Tail.

Probability of getting Head or Tail is equal.

{tex}\therefore {/tex} P (Starting game) = {tex}\frac{1}{2}{/tex}

NCERT Solutions for Class 7 Maths Exercise 3.4

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