Students can Download Class 7 Maths Chapter 3 Data Handling Ex 3.4 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 7 Maths helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams.
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:
We have, total number of marbles in the box = 6
Number of marbles, in the box marked with number 2 = 1
∴ Probability of drawing a marble with number 2 = \(\frac{1}{6}\)
ii) What is the probability of drawing a marble with number 5?
Solution:
Number of marbles, in the box marked with number 5 = 1
Probability of drawing a marble with number 5 = \(\frac{1}{6}\)
Question 3.
A coin is flipped to decide which team starts the game. What is the probability that your team will start?
Solution:
Probability = \(\frac{1}{2}\)