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

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

Karnataka State Syllabus 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.
i) You are older today than yesterday.
Solution:
Yes, it is certain to happen.

ii) A tossed coin will land heads up.
Solution:
It can happen but not certain

iii) A die when tossed shall land up with 8 on top.
Solution:
It is impossible.

iv) The next traffic light seen will be green.
Solution:
It can happen but not certain.

v) Tomorrow will be a cloudy day.
Solution:
It 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.
i) What is the probability of drawing a marble with number 2 ?
Solution:

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

Question 3.
A coin is flipped to decide which team starts the game. What is the probability that your team will start?
Solution:
Number of sides a coin has = 2
Probability = 1/2