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Class 6 Comparing Numbers — practice questions with answers

Numbers · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.

1. Which of these numbers is the greatest?
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Answer: C) 4765
All have the same thousands digit 4. Compare hundreds: 7 is the largest, so 4765 is greatest.
2. Arrange 7321, 7231, 7312, 7213 in descending order. Which number comes first (greatest)?
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Answer: A) 7321
All begin with 7. Hundreds: 3 is largest (7321, 7312). Then tens: 2 > 1, so 7321 is greatest.
3. How many whole numbers lie strictly between 4995 and 5005 (not counting the endpoints)?
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Answer: C) 9
Numbers strictly between are 4996, 4997, 4998, 4999, 5000, 5001, 5002, 5003, 5004 — that is 9 numbers.
4. Shreya wants the greatest possible 5-digit number that is still smaller than 60000.
What is that number?
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Answer: B) 59999
The largest 5-digit number below 60000 is 60000 - 1 = 59999.
5. Consider all 3-digit numbers in which the hundreds digit is greater than the units digit (for example 510, since 5 > 0).
How many such 3-digit numbers are there?
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Answer: D) 450
Hundreds a from 1-9, units c from 0-9 with a > c. For fixed a, c can be 0..(a-1), giving a choices; tens digit b is free (10 choices). Number of (a,c) pairs = 1+2+...+9 = 45. Total = 45 x 10 = 450.
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