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Home » NCERT Solutions » Class 7 » Maths » NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Exercise 3.4

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

Last Updated on September 18, 2022 By Mrs Shilpi Nagpal

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

 

  • Class 7 Maths Data Handling Exercise 3.1
  • Class 7 Maths Data Handling Exercise 3.2
  • Class 7 Maths Data Handling Exercise 3.3
  • Class 7 Maths Data Handling Exercise 3.4

1. 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) 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. 3 
(iv) The next traffic light seen will be green.

(v) Tomorrow will be a cloudy day.

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

Out of 6 marbles, one can be drawn in 6 ways.
∴ Total number of possible outcomes = 6
(i) Probability of drawing marble with number 2, P (2) = 1/6
(ii) Probability of drawing marble with number 5, P(5) = 1/6
 

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

Answer

On tossing a coin, the possible outcome is head (H) or tail (T).
Total number of possible outcomes = 2
and total number of favourable outcomes = l
∴ Required probability = 1/2

Filed Under: Class 7, Maths, NCERT Solutions

About Mrs Shilpi Nagpal

Author of this website, Mrs. Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed. (I. P. University) and has many years of experience in teaching. She has started this educational website with the mindset of spreading free education to everyone.

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