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Olympiad Test: Data Handling - 1 - Class 7 MCQ


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10 Questions MCQ Test Mathematics Olympiad Class 7 - Olympiad Test: Data Handling - 1

Olympiad Test: Data Handling - 1 for Class 7 2024 is part of Mathematics Olympiad Class 7 preparation. The Olympiad Test: Data Handling - 1 questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test: Data Handling - 1 MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Data Handling - 1 below.
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Olympiad Test: Data Handling - 1 - Question 1

What is the mean of the following numbers
7.6, 6.8, 8.5, 9.4, 5.9, 6.4, 9.1, 4.7? 

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 1

Mean

Olympiad Test: Data Handling - 1 - Question 2

What is the mean of first seven prime numbers?

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 2

Olympiad Test: Data Handling - 1 - Question 3

The runs scored by 11 members of a cricket team are 35, 39, 53, 28, 65, 62, 0, 46, 31, 08, 24. What is the median score?

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 3

The runs scored in ascending order are 0, 08, 24, 28, 31, 35, 39, 46, 53, 62, 65.
n = 11, which is odd.

Olympiad Test: Data Handling - 1 - Question 4

What is the median of first 15 odd numbers?

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 4

First 15 odd numbers are 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31.
n = 15, which is odd.

Olympiad Test: Data Handling - 1 - Question 5

What is the median of 21, 15, 8, 28, 19, 23, 40, 7, 16, 9, 22 ?

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 5

The numbers in the ascending order are 7, 8, 9, 15, 16, 19, 21, 22, 23, 28, 40
n = 11, which is odd.

Olympiad Test: Data Handling - 1 - Question 6

What is the mode of the following data 22, 28, 47, 43, 28, 27, 36, 43, 45, 42, 43, 46, ?

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 6

As 28 appears two times, but other numbers appear only once. 

Olympiad Test: Data Handling - 1 - Question 7

If the mean of a given data is 51kg and its median is 50 kg, what is the mode of that data?​

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 7

Mode = 3 Median – 2 Mean
= 3 (51) – 2 (50)
= 153 – 100
= 53 kg 

Olympiad Test: Data Handling - 1 - Question 8

If the mode of the given data is 22.16, its median is 22. What is its mean?

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 8

Mode = 22.16
Median = 22
Mode = 3 Median – 2 Mean
22.16 = 3 × 22 – 2 Mean
2 Mean = 66 – 22.16 = 43.84

Olympiad Test: Data Handling - 1 - Question 9

What is the median of the given data?

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 9


N = 37 
N = 37, which is odd.

Olympiad Test: Data Handling - 1 - Question 10

What is the mean of the given data?

Detailed Solution for Olympiad Test: Data Handling - 1 - Question 10



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