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Chapter 2 Worksheet 3 | Factors and Multiples | Class-6 DAV Secondary Mathematics
Unit 2 Worksheet 3 || Factors and Multiples
1. Look at the following group of numbers and fill In the blanks.
(a) 359510, 7781450, 4203324, 12342 The numbers divisible by 3 are
(b) 3437712, 4222910, 6880172, 9811602 The numbers divisible by 9 are
(c) 362442, 8502153, 774067, 46627207 The numbers divisible by 11 are
2. Pick out the numbers from the following that are divisible by 3 but not by 9.
(a) 38721 (b) 422679 (c) 6110586 (d) 257796
3. Test the following for the divisibility by 3 and 9.
(a) 294414 (b) 145404 (c) 99999 (d) 7023643 (e) 58334661 (f) 602111213
4. Test the divisibility of the following numbers by 11. (a) 86611291 (b) 100001 (c) 9427355
5. Fill In the blanks.
(a) A number is divisible by 6 if it is divisible by its two co-prime factors and 73
(b) 43185 is divisible by 15 as it is divisible by 5 and
(c) The number 8625 is not divisible by 6 as it is divisible by 5 but not by
(d) The number 54420 is divisible by 12 as it is divisible by 7 and
(e) The number 781022 is divisible by 11 as the difference of the sum of the digits at odd places and the sum of the digits at even places is
6. Replace [] by a digit so that the number Is divisible by 9.
7. Write ‘True’ or ‘False’ for the following statements.
(a) If a number is divisible by 3, it must be divisible by 9.
(b) If a number is divisible by 18, it must be divisible by 6 and 3.
(c) If a number is divisible by both 9 and 10, then it must be divisible by 90.
(d) All numbers which are divisible by 8 are divisible by 4.
(e) If a number is exactly divisible by two numbers separately then it must be exactly divisible by their sum.
