Using divisibility tests, determine which of the following numbers are divisible by 2, by 3, by 4, by 5, by 6, by 8, by 9, by 10, by 11 (Say, Yes or No)
Solution:
We will be using the divisibility rules to answer this.
You can also use the Online Divisibility Calculator to check this.
NCERT Solutions for Class 6 Maths Chapter 3 Exercise 3.3 Question 1
Using divisibility tests, determine which of the following numbers are divisible by 2, by 3, by 4, by 5, by 6, by 8, by 9, by 10, by 11 (Say, Yes or No)
Summary:
(a) Using the divisibility test, we determined that 128 is divisible by 2,4, and 8 and not by 3, 5, 6, 9,10, and 11. (b) Using the divisibility test, we determined that 990 is divisible by 2,3,5,6,9,10 and 11 and not by 4 and 8. (c) Using the divisibility test, we determined that 1586 is divisible by 2 and not by 3,4, 5, 6,8, 9,10, and 11. (d) Using the divisibility test, we determined that 275 is divisible by 5 and 11 and not by 2,3,4,6,8,9 and 10. (e) Using the divisibility test, we determined that 6686 is divisible by 2 and not by 3,4, 5, 6,8, 9,10, and 11. (f) Using the divisibility test, we determined that 639210 is divisible by 2,3, 5, 6,10, and 11 and not by 4, 9, and 8. (g) Using the divisibility test, we determined that 429714 is divisible by 2, 3, 5 and 9 and not by 4, 6,8, 9,10 and 11. (h) Using the divisibility test, we determined that 2856 is divisible by 2,3,4,6,8 and not by 5, 9,10, and 11. (i) Using the divisibility test, we determined that 3080 is divisible by 2, 3, 4, 5, 6, 9, and 10 and not by 8 and 11. (j) Using the divisibility test, we determined that 406839 is divisible by 3 and not by 2,4, 5, 6,8, 9,10, and 11.
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