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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 6

Write all the factors of: 21 - Mathematics

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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 the first six multiples of: 15


Without making any actual division, show that 2300023 is divisible by 23.


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Find whether the following number is divisible by 9: 4968


Find whether the following number is divisible by 6: 33278


Find whether the following number is divisible by 5: 5080


Find whether the following number is divisible by 5: 755


Find whether the following number is divisible by 10: 9990


Find whether the following number is divisible by 11: 5918


Find whether the following number is divisible by 15: 8295


State, true or false:

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


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Write down the factors of 60.


Write down the factors of 75.


State if the following number is even or odd.
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State if the following number is even or odd.
321


Write the factors of the following number.

14


Write the factors of the following number.

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Write five three-digit numbers that are multiples of 5.


A ribbon is 3 metres long. I need 8 pieces of ribbon each 40 cm long. How many centimetres shorter is the ribbon than the length I need?


The sum of the factors of 27 is


Pick the number which is not a multiple of 6


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Write down the first 5 multiples of the given number.

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What is the biggest number for which you can find the factors from this chart? 


What can you do for numbers bigger than that?


Rani, Geetha, and Naseema live near each other. The distance from their house to the road is 90 feet. They decided to tile the path to the road. They all bought tiles of different designs and lengths. Rani the shortest tile, Geetha bought the one and Naseema bought the longest one. If they could tile the path without cutting any of the tiles what is the size of the tiles each has bought? Suggest 3 different solutions. Explain how you get this answer.


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