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Class 6 Exam  >  Class 6 Tests  >  Mathematics (Maths) Class 6  >  Olympiad Test: Whole Numbers - Class 6 MCQ

Olympiad Test: Whole Numbers - Class 6 MCQ


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20 Questions MCQ Test Mathematics (Maths) Class 6 - Olympiad Test: Whole Numbers

Olympiad Test: Whole Numbers for Class 6 2024 is part of Mathematics (Maths) Class 6 preparation. The Olympiad Test: Whole Numbers questions and answers have been prepared according to the Class 6 exam syllabus.The Olympiad Test: Whole Numbers MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Whole Numbers below.
Solutions of Olympiad Test: Whole Numbers questions in English are available as part of our Mathematics (Maths) Class 6 for Class 6 & Olympiad Test: Whole Numbers solutions in Hindi for Mathematics (Maths) Class 6 course. Download more important topics, notes, lectures and mock test series for Class 6 Exam by signing up for free. Attempt Olympiad Test: Whole Numbers | 20 questions in 20 minutes | Mock test for Class 6 preparation | Free important questions MCQ to study Mathematics (Maths) Class 6 for Class 6 Exam | Download free PDF with solutions
Olympiad Test: Whole Numbers - Question 1
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The whole number which does not have a predecessor in the whole number system is

Detailed Solution for Olympiad Test: Whole Numbers - Question 1
In the whole number system, the sequence starts from 0. Therefore, 0 has no predecessor.
Olympiad Test: Whole Numbers - Question 2
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The predecessor of the smallest 4-digit number is

Detailed Solution for Olympiad Test: Whole Numbers - Question 2
The smallest 4-digit number is 1000. The predecessor of 1000 is 1000 − 1 = 999.
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Olympiad Test: Whole Numbers - Question 3
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The predecessor of 1 million is

Detailed Solution for Olympiad Test: Whole Numbers - Question 3

1 million is written as 1,000,000. Its predecessor is 1,000,000 − 1 = 999,999.

Olympiad Test: Whole Numbers - Question 4
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The product of the predecessor and the successor of the greatest 2-digit number is
Detailed Solution for Olympiad Test: Whole Numbers - Question 4
The greatest 2-digit number is 99. Its predecessor is 98, and its successor is 100. The product is 98 × 100 = 9800.
Olympiad Test: Whole Numbers - Question 5
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The sum of the successor of the greatest 3-digit number and the predecessor of the smallest 3-digit number is
Detailed Solution for Olympiad Test: Whole Numbers - Question 5
The greatest 3-digit number is 999; its successor is 999 + 1 = 1000.
The smallest 3-digit number is 100; its predecessor is 100 − 1=99.
The sum is 1000 + 99 = 1099.
Olympiad Test: Whole Numbers - Question 6
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The number of whole numbers between 22 and 54 is
Detailed Solution for Olympiad Test: Whole Numbers - Question 6
Whole numbers between 22 and 54 range from 23 to 53. The count is
53 − 23 + 1 = 31.
Olympiad Test: Whole Numbers - Question 7
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The number of whole numbers between the smallest whole number and the greatest 2-digit number is
Detailed Solution for Olympiad Test: Whole Numbers - Question 7

The smallest whole number is 0, and the greatest 2-digit number is 99. Whole numbers between them are from 1 to 98.
Count: 99 - 0 - 1 = 98.

  • Start with 99−0:
    Subtract the smallest whole number (0) from the greatest 2-digit number (99), which gives 99.
    This step counts all whole numbers from 0 to 99, inclusive.

  • Subtract 1:
    To exclude both the smallest whole number (0) and the greatest 2-digit number (99) from the total count, we subtract 1 for 0 and another 1 for 99. Hence, we subtract 1.

Olympiad Test: Whole Numbers - Question 8
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If a is a whole number such that a + a = a, then a is equal to
Detailed Solution for Olympiad Test: Whole Numbers - Question 8
Only when a = 0, the equation a + a = a holds true because 0 + 0 = 0.
Olympiad Test: Whole Numbers - Question 9
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The value of (93 × 63 + 93 × 37) is
Detailed Solution for Olympiad Test: Whole Numbers - Question 9
Using distributive property,
93 × (63 + 37) = 93 x 100 = 9300.
Olympiad Test: Whole Numbers - Question 10
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Which of the following is not equal to zero?
Detailed Solution for Olympiad Test: Whole Numbers - Question 10
(5 − 0) ÷ 5 = 5 ÷ 5 = 1, which is not zero. The other options result in 0.
Olympiad Test: Whole Numbers - Question 11
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Which of the following statement is true?
Detailed Solution for Olympiad Test: Whole Numbers - Question 11
Whole numbers are non-negative.
13 − 21 = −8, which is not a whole number.
Olympiad Test: Whole Numbers - Question 12
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On dividing a number by 9, we get 47 as the quotient and 5 as the remainder. The number is
Detailed Solution for Olympiad Test: Whole Numbers - Question 12
Using the formula
Number = Divisor × Quotient + Remainder, we get 9 × 47 + 5 = 428.
Olympiad Test: Whole Numbers - Question 13
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Number of whole numbers between 38 and 68 is
Detailed Solution for Olympiad Test: Whole Numbers - Question 13
Whole numbers between 38 and 68 range from 39 to 67. Count: 67 − 39 + 1 = 30.
Olympiad Test: Whole Numbers - Question 14
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5 added to the smallest 6-digit number gives
Detailed Solution for Olympiad Test: Whole Numbers - Question 14
The smallest 6-digit number is 100000. Adding 5 gives 100000 + 5 = 100005.
Olympiad Test: Whole Numbers - Question 15
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When 578 is subtracted from the smallest 5-digit number, we get
Detailed Solution for Olympiad Test: Whole Numbers - Question 15

The smallest 5-digit number is 10000. Subtracting 578 gives 10000 − 578 = 9422.

Olympiad Test: Whole Numbers - Question 16
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The successor of 100199 is
Detailed Solution for Olympiad Test: Whole Numbers - Question 16
The successor of a number is Number + 1. 100199 + 1 = 100200
Olympiad Test: Whole Numbers - Question 17
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Which of the following numbers does not have a predecessor?
Detailed Solution for Olympiad Test: Whole Numbers - Question 17
In the whole number system, 0 is the first number and has no predecessor.
Olympiad Test: Whole Numbers - Question 18
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Which of the following is the largest 3-digit number?
Detailed Solution for Olympiad Test: Whole Numbers - Question 18
The largest 3-digit number is 999. Adding 1 results in 1000, which is a 4-digit number.
Olympiad Test: Whole Numbers - Question 19
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Which of the following is the smallest whole number?
Detailed Solution for Olympiad Test: Whole Numbers - Question 19
Whole numbers start from 0, making it the smallest whole number.
Olympiad Test: Whole Numbers - Question 20
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The product of the successor and predecessor of the smallest 2-digit number is
Detailed Solution for Olympiad Test: Whole Numbers - Question 20

The smallest 2-digit number is 10. Its predecessor is 9, and successor is 11. The product is 9×11=99.

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