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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 6

Write all the factors of: 21

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प्रश्न

Write all the factors of: 21

थोडक्यात उत्तर
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उत्तर

All factors of 21 are : 1, 3, 7, 21

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पाठ 9: Playing with Numbers - Exercise 9 (B)

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सेलिना Mathematics [English] Class 6
पाठ 9 Playing with Numbers
Exercise 9 (B) | Q 2.2

संबंधित प्रश्‍न

Write all the factors of: 98


Write the first six multiples of: 16


Without making any actual division show that 7007 is divisible by 7.


Without making any actual division, show that each of the following numbers is divisible by 11.

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Without making any actual division, show that each of the following numbers is divisible by 11.

11000011


Find whether the following number is divisible by 2: 523


Find whether the following number is divisible by 2: 649


Find whether the following number is divisible by 3: 221


Find whether the following number is divisible by 11: 68717


Find whether the following number is divisible by 11: 3882


Find whether the following number is divisible by 11: 10857


In the following number, replace M by the smallest number to make resulting number divisible by 3: 27M53


In the following number, replace M by the smallest number to make resulting number divisible by 9: 627M9


In the following number, replace M by the smallest number to make resulting number divisible by 11: 3M422


In the following number, replace M by the smallest number to make resulting number divisible by 11: 70975M


State, true or false:

If a divide b and c completely, then a divides
(i) a + b
(ii) a – b
also completely.


State if the following number is even or odd.
50


State if the following number is even or odd.
144


Write the factors of the following number.

7


Write down the factors of the given number.

25


Write down the factors of the given number.

14


Draw a picture of factor tree.

18


Draw a picture of factor tree.

16


Write down the first 5 multiples of the given number.

11


Look at the factor tree. Now you can make another tree like this?


Write all the factors of the following number.

12


Which is NOT a common factor of 20 and 36?


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