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Math Olympiad Test: Number System- 1 - Class 9 MCQ


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10 Questions MCQ Test Mathematics Olympiad for Class 9 - Math Olympiad Test: Number System- 1

Math Olympiad Test: Number System- 1 for Class 9 2024 is part of Mathematics Olympiad for Class 9 preparation. The Math Olympiad Test: Number System- 1 questions and answers have been prepared according to the Class 9 exam syllabus.The Math Olympiad Test: Number System- 1 MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Math Olympiad Test: Number System- 1 below.
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Math Olympiad Test: Number System- 1 - Question 1

Choose the correct statement:

Detailed Solution for Math Olympiad Test: Number System- 1 - Question 1

Zero is a whole number which is not a natural number. Every integer is a rational number. Every whole number is an integer but converse is false.

Math Olympiad Test: Number System- 1 - Question 2

Which of the following decimal is terminating?

Detailed Solution for Math Olympiad Test: Number System- 1 - Question 2

∵ All the fractions are in their simplest form.
∴ The fraction having the denominator in the form 2m × 5n will be terminating.
∴ Just analyzing the denominators, we have 11, 6, and 7 cannot be expressed in 2m × 5n form, but 16 = 24 × 50.
∴ 11/16 will be a terminating decimal.

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Math Olympiad Test: Number System- 1 - Question 3

Which of the following number is rational?

Detailed Solution for Math Olympiad Test: Number System- 1 - Question 3

π = 3.14157...... (Non-repeating non-terminating decimal)
22/7 = 3.142871
∴ 22/7 is a rational number.

Math Olympiad Test: Number System- 1 - Question 4

 × 50 equals

Detailed Solution for Math Olympiad Test: Number System- 1 - Question 4

Here

∴ Required value = 10 × 50 = 500

Math Olympiad Test: Number System- 1 - Question 5

(√a + √b) (√a – √b) is

Math Olympiad Test: Number System- 1 - Question 6

× √8 is equal to

Math Olympiad Test: Number System- 1 - Question 7

If x1/12 = 491/24 then find the value of x.

Math Olympiad Test: Number System- 1 - Question 8

The decimal expansion of √2 is

Math Olympiad Test: Number System- 1 - Question 9

When 15√15 divided by 3√3 find the quotient.

Math Olympiad Test: Number System- 1 - Question 10

A rational number lying between √2 and √3 is

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