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Olympiad Test: Number Ranking Test -1


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15 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Number Ranking Test -1

Olympiad Test: Number Ranking Test -1 for Class 7 2022 is part of Science Olympiad Class 7 preparation. The Olympiad Test: Number Ranking Test -1 questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test: Number Ranking Test -1 MCQs are made for Class 7 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Number Ranking Test -1 below.
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Olympiad Test: Number Ranking Test -1 - Question 1

Directions: Study the given number series and answer the questions based on it. 5 7 8 9 7 6 5 3 4 2 6 8 9 7 5 2 4 6 2 9 7 6 4 7 8 9 7 6

Q. How many 7s are preceded by 9 and followed by 6?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 1

Olympiad Test: Number Ranking Test -1 - Question 2

Directions: Study the given number series and answer the questions based on it. 5 7 8 9 7 6 5 3 4 2 6 8 9 7 5 2 4 6 2 9 7 6 4 7 8 9 7 6

Q. Which digits have equal frequency?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 2

2, 5, 8 all have frequency 3. 

Olympiad Test: Number Ranking Test -1 - Question 3

Directions: Study the given number series and answer the questions based on it. 5 7 8 9 7 6 5 3 4 2 6 8 9 7 5 2 4 6 2 9 7 6 4 7 8 9 7 6

Q. Which digit has highest frequency?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 3

7 has highest frequency. 

Olympiad Test: Number Ranking Test -1 - Question 4

Directions: Study the given number series and answer the questions based on it. 5 7 8 9 7 6 5 3 4 2 6 8 9 7 5 2 4 6 2 9 7 6 4 7 8 9 7 6

Q. Which digit has lowest frequency?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 4

3 has lowest frequency. 

Olympiad Test: Number Ranking Test -1 - Question 5

Directions: Study the given number series and answer the questions based on it. 5 7 8 9 7 6 5 3 4 2 6 8 9 7 5 2 4 6 2 9 7 6 4 7 8 9 7 6

Q. Which digit occurs five times?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 5

6 occurs five times. 

Olympiad Test: Number Ranking Test -1 - Question 6

Directions: Study the given number series and answer the questions based on it. 5 7 8 9 7 6 5 3 4 2 6 8 9 7 5 2 4 6 2 9 7 6 4 7 8 9 7 6

Q. How many times an even number is preceded by an odd number?

Olympiad Test: Number Ranking Test -1 - Question 7

Directions: Study the given number series and answer the questions based on it. 5 7 8 9 7 6 5 3 4 2 6 8 9 7 5 2 4 6 2 9 7 6 4 7 8 9 7 6

Q. How many times two consecutive digits are odd numbers?

Olympiad Test: Number Ranking Test -1 - Question 8

Directions: Study the given number series and answer the questions based on it. 5 7 8 9 7 6 5 3 4 2 6 8 9 7 5 2 4 6 2 9 7 6 4 7 8 9 7 6

Q. How many times digit 9 occurs?

Olympiad Test: Number Ranking Test -1 - Question 9

Directions: Study the following five numbers and answer the questions given below : 617, 325, 639, 841, 592

Q. What will be the first digit of the second highest number after the positions of only the second and third digits within each number are interchanged?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 9

671, 352, 693, 814, 529
The numbers in the descending order,
814, 693, 671, 529, 352 
Second highest number = 693 Its 1st digit = 6

Olympiad Test: Number Ranking Test -1 - Question 10

Directions: Study the following five numbers and answer the questions given below : 617, 325, 639, 841, 592

Q. What will be the last digit of the third number from bottom when they are arranged in descending order after reversing the position of the digits within each number?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 10

716, 523, 936, 148, 295
The numbers in the descending order
936, 716, 523, 295, 148.
Third number from bottom = 52 3

Olympiad Test: Number Ranking Test -1 - Question 11

Directions: Study the following five numbers and answer the questions given below : 617, 325, 639, 841, 592

Q. What will be the middle digit of 2nd lowest number after the position of only the first and second digits within each number are interchanged?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 11

167, 235, 369, 481, 952
2nd lowest number = 235
Middle digit = 3 

Olympiad Test: Number Ranking Test -1 - Question 12

Directions: Study the following five numbers and answer the questions given below : 617, 325, 639, 841, 592

Q. What will be the first digit of the second number from top when they are arranged in descending order after reversing the position of digits within each number?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 12

936, 716, 523, 295, 148
Second number from top = 716.

Olympiad Test: Number Ranking Test -1 - Question 13

What will be the difference between the sum of odd digits and the sum of even digits in the number 98675321?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 13

Sum of odd digits = 9 + 7 + 5 + 3 + 1 = 25
Sum of even digits = 8 + 6 + 2 = 16
Difference = 25 – 16 = 9

Olympiad Test: Number Ranking Test -1 - Question 14

A number is greater than 5 but less than 8. Also it is greater than 6 but less than 10. What is that number?

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 14

Let the number be x.
5 < x < 8
6 < x < 10
From these two; x = 7

Olympiad Test: Number Ranking Test -1 - Question 15

Find the difference of largest number and smallest number formed by the digit 2, 3, 7, 9.

Detailed Solution for Olympiad Test: Number Ranking Test -1 - Question 15

Largest number = 9732
Smallest number = 2379
Difference = 9732 – 2379 = 7353 

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