Ncert solutions

Ncert solutions

Grade 6

Playing With Numbers | Exercise 3.3

Question 1

Q1) 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:

numbers 2 3 4 5 6 8 9 10 11
128 yes no yes no no yes no no no
990 yes yes no yes yes no yes yes yes
1586 yes no no no no no no no no
275 no no no yes no no no no yes
6686 yes no no no no no no no no
639714 yes yes no yes yes no no yes yes
2856 yes yes yes no yes yes no no no
3060 yes yes yes yes yes no yes yes no
406839 no yes no no no no no no no
429714 yes yes no no yes no yes no no

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Question 1

Q1) 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:

numbers 2 3 4 5 6 8 9 10 11
128 yes no yes no no yes no no no
990 yes yes no yes yes no yes yes yes
1586 yes no no no no no no no no
275 no no no yes no no no no yes
6686 yes no no no no no no no no
639714 yes yes no yes yes no no yes yes
2856 yes yes yes no yes yes no no no
3060 yes yes yes yes yes no yes yes no
406839 no yes no no no no no no no
429714 yes yes no no yes no yes no no

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