Test: Data Handling- 2


20 Questions MCQ Test NCERT Mathematics for CAT Preparation | Test: Data Handling- 2


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Attempt Test: Data Handling- 2 | 20 questions in 20 minutes | Mock test for Class 8 preparation | Free important questions MCQ to study NCERT Mathematics for CAT Preparation for Class 8 Exam | Download free PDF with solutions
QUESTION: 1

What is the upper limit of the class interval 30 – 40?

Solution:

Upper limit is the highest number of the interval. Hence upper limit is 40 in the interval 30-40.

QUESTION: 2

Which class has the lowest frequency?

Solution:
QUESTION: 3

What is the size of the class interval?

Solution:

Class interval refers to the numerical width of any class in a particular distribution. It is defined as the difference between the upper-class limit and the lower class limit. Class Interval = Upper-Class limit – Lower class limit.

QUESTION: 4

Which two classes have the same frequency?

Solution:
QUESTION: 5

What is the lower limit of the class interval 40 – 50?

Solution:

Lower limit is the least number of the interval. Hence 40 is the lowest limit.

QUESTION: 6

Which class has the highest frequency?

Solution: Answer is A because it is asking Highest frequency and the highest frequency is 30 - 40 
QUESTION: 7

When a die is thrown, total number of possible outcomes is ______.

Solution:
QUESTION: 8

When a coin is thrown, total number of possible outcomes is ______.

Solution:
QUESTION: 9

Two dice are thrown, find and number of outcomes.

Solution:

We know that in a single thrown of two die, the total number of possible outcomes is (6 × 6) = 36. Let S be the sample space. Then, n(S) = 36

QUESTION: 10

There are 2 Red, 3 Blue and 5 Black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-red ball?

Solution:

Non - red ball = 8
Probability = No of non red balls/Total no. of outcomes
= 8/10 = 4/5

QUESTION: 11

There are 2 Red, 3 Blue and 5 Black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a red ball?

Solution:
QUESTION: 12

There are 2 Red, 3 Blue and 5 Black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a blue ball?

Solution:
QUESTION: 13

There are 2 Red, 3 Blue and 5 Black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a black ball?

Solution:
QUESTION: 14

There are 2 Red, 3 Blue and 5 Black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-black ball?

Solution:
QUESTION: 15

There are 2 Red, 3 Blue and 5 Black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-blue ball?

Solution:

Total out comes are=2+3+5=10

So, Probability of getting a non blue ball is = 7/10

QUESTION: 16

What is the size of class intervals?

Solution:
QUESTION: 17

Which class has the highest frequency?

Solution:
QUESTION: 18

Which class has the lowest frequency?

Solution:
QUESTION: 19

What is the frequency of class interval 300-325?

Solution:
QUESTION: 20

What is the upper limit of the class interval 250-275?

Solution:
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