NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4 are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4.

Board CBSE
Textbook NCERT
Class Class 7
Subject Maths
Chapter Chapter 3
Chapter Name Data Handling
Exercise Ex 3.4
Number of Questions Solved 3
Category NCERT Solutions

NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4

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

  1. You are older today than yesterday.
  2. A tossed coin will land heads up.
  3. A die when tossed shall land up with 8 on top.
  4. The next traffic light seen will be green.
  5. Tomorrow will be a cloudy day.

Solution:

  1. Certain to happen
  2. Can happen but not certain
  3. Impossible
  4. Can happen but not certain
  5. Can happen but not certain

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

  1. What is the probability of drawing a marble with the number 2?
  2. What is the probability of drawing a marble with the number 5?

Solution:
Out of 6 marbles, one can be drawn in 6 ways. So, the total number of events = 6

1. The marble with the number 2 can be obtained only in one way.
∴ Required probability = \(\frac { 1 }{ 6 } \)

2. The marble with the number 5 can be obtained only in one way.
∴ Required probability = \(\frac { 1 }{ 6 } \)

Question 3.
A coin is flipped to decide which team starts the game. What is the probability that your team will start?
Solution:
On tossing a coin, the possible outcomes are head (H) or tail (T).
Required probability = \(\frac { 1 }{ 2 } \)

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