NCERT Solutions For Class 8 Maths Chapter – 5
NCERT Solutions For Class 8 Maths Chapter – 5 Data Handling Exercise – 5.3
Q1. List the outcomes you can see in these experiments.
 Spinning a wheel
 Tossing two coins together
Solution:
 There are four letters A , B , C and D in a spinning wheel. So there are 4 outcomes.

When two coins are tossed together. There are four possible outcomes HH , HT , TH , TT

Also Read
 NCERT Class – 7th Science Textbook Question Answer All Chapters Link
Q2. When a die is thrown , list the outcomes
 (a) a prime number (b) not a prime number.
 (a) a number greater than 5 (b) a number not grater than 5.
Solution:
 (a) Outcomes of event of getting a prime number are 2 , 3 and 5.
( b ) Outcomes of event of not getting a prime number are 1 , 4 and 6.
 (a) Outcomes of event of getting a number grater than 5 is 6.
( b ) Outcomes of event of not getting a number grater than 5 are 1 , 2 , 3 , 4 and 5.
Q3. Find the.
 Probability of the pointer stopping on D in ( Question 1 – (a))
 Probability of getting an ace from a well shuffled deck of 52 playing cards.
 Probability of getting a red apple . ( See figure below)
Solution:
 In a spinning wheel , there are five pointers A , A B , C , D so there five outcomes . Pointers stops at D which is one outcome. So the probability of the pointer stopping on D = 1/5
 There are 4 aces in a deck of 52 playing cards. So there are four events of getting an ace.
So, the probability of getting an ace = 4/52 = 1/13
( c ) Total number of apples = 7
Number of red apples = 4
Probability of getting red apple = 4/7
Q4. Numbers 1 to 10 are written on ten separate slips ( one number on one slip ), kept in a box and mixed well One slip is chosen from the box without looking into it. What is the probability of.
 getting a number 6 ?
 getting a number less than 6 ?
 Getting a number than 6 ?
 Getting a 1 – digit number ?
Solution:
 Outcomes of getting a number 6 from ten separate slip is one . probability of getting a number 6 = 1/10
 Number less than 6 are 1 , 2 , 3, 4 and 5 which are five. So there are 5 outcomes.
 Number greater than 6 out of ten that are 7 , 8 , 9 , 10 So there are 4 possible outcomes.
Probability of getting a number greater than 6 = 4/10 = 2/5
 One – digit numbers are 1 , 2 , 3 , 4 , 5, 6 , 7 , 8 , 9 , out of ten
Probability of getting a 1 – digit number = 9/10
Q5. If you have a spinning wheel with 3 green sector , 1 blue sector and 1 red sector what is the probability of getting a green sector ? What is the probability of getting a non – blue sector ?
Solution:
A total of five sector are present
Out of five sectors, three sectors are green.
Probability of getting a green sector = 3/5
Out of the five sectors, one sector is blue. Hence , Non – blue sectors = 5 – 1 = 4
Probability of getting a non – blue sector = 4/5
Q6. Find the probabilities of the events given in Question 2.
Solution:
When a die is thrown , there are total six outcomes 1 , 2, 3 , 4 , 5 and 6.
(i)
 2 , 3 , 5 are the prime numbers . So there are 3 outcomes out of 6 .
Probability of getting a prime numbers = 3/6 = 1/2
 1 , 4 , 6 are not the prime numbers. So there are 3 outcomes out of 6.
Probability of getting a prime numbers = 3/6 = 1/2
( ii )
( c ) Only I 6 is grater than 5.
So there is one outcome out of 6.
Probability of getting a number grater than 5 = 1/6
( d ) Numbers not grater than 5 are 1 , 2 , 3 , 4 and 5 . So there are 5 outcomes out of 6.
Probability of not getting a number greater than 5 = 5/6
NCERT Solutions for class 7 Science Chapter12N
NCERT Solutions For Class 8 Maths Chapter – 5 Data Handling Exercise – 5.3 Q1. List the outcomes you can see…
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