Olympiad Test: Number Ranking - 1

# Olympiad Test: Number Ranking - 1

Test Description

## 10 Questions MCQ Test Mathematical Olympiad Class 8 | Olympiad Test: Number Ranking - 1

Olympiad Test: Number Ranking - 1 for Class 8 2023 is part of Mathematical Olympiad Class 8 preparation. The Olympiad Test: Number Ranking - 1 questions and answers have been prepared according to the Class 8 exam syllabus.The Olympiad Test: Number Ranking - 1 MCQs are made for Class 8 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Number Ranking - 1 below.
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Olympiad Test: Number Ranking - 1 - Question 1

### How many odd numbers are there in the sequence each of which is immediately followed by an odd number? 5 1 4 7 3 9 8 5 7 2 6 3 1 5 8 6 3 8 5 2 2 4 3 4 9 6

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Olympiad Test: Number Ranking - 1 - Question 2

### How many odd numbers are there in the sequence which are immediately preceded and also immediately followed by an even number in the sequence? 5 1 4 7 3 2 5 6 8 9 6 7 3 2 1 5 6 4 3 2 7 4

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Olympiad Test: Number Ranking - 1 - Question 3

### How many even numbers are there which are immediately followed by an odd number and also immediately preceded by an odd number in the sequence? 8 4 7 6 5 3 2 5 1 6 4 3 2 6 7 9 8 5

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Olympiad Test: Number Ranking - 1 - Question 4

In the series
2 5 3 4 8 7 4 2 6 7 1 5 8 3 7 4 5 3
How many pair of successive numbers have a difference of 3?

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Olympiad Test: Number Ranking - 1 - Question 5

How many 5’s are there in the sequence which are immediately preceded by 4 and immediately followed by 7?
2 3 4 5 6 1 4 5 7 1 2 4 5 7 3 8 4 5 9 6 5 3

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Olympiad Test: Number Ranking - 1 - Question 6

How many pair of successive numbers are in the given series whose sum is 12?
4 5 7 3 2 8 4 9 1 5 6 4 8 3 1 9 3 5 7

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Olympiad Test: Number Ranking - 1 - Question 7

How many pair of successive numbers are in the given series whose product is an even number?
6 1 4 6 3 5 1 7 2 6 3 5 7 1 8 3 7 5

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Olympiad Test: Number Ranking - 1 - Question 8

How many 8’s are there in the series which are preceded by 5 but not followed by 7?
4 3 8 6 5 8 2 3 5 8 4 7 5 8 7 4

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Olympiad Test: Number Ranking - 1 - Question 9

How many 9’s are there in the series which are preceded by 7 but not followed by 8?
4 2 9 6 7 9 2 4 7 9 8 4 7 9 3 6 8 9

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Olympiad Test: Number Ranking - 1 - Question 10

What is the product of sum of even digits and sum of odd digits in the number 8 6 7 4 3 5 2?

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

Sum of even digits = 8 + 6 + 4 + 2 = 20
Sum of odd digits = 7 + 3 + 5 = 15
Product = 20 × 15 = 300

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