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In a seminar. the number of participants...

In a seminar. the number of participants in Hindi, English and Mathematics are `60,84 and 108` respectively. Find the minimum number of rooms required if, in each room the same number of participants are to be seated and all of them being in the same subject.

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MTG IIT JEE FOUNDATION-PLAYING WITH NUMBERS-SOLVED EXAMPLES
  1. Find the HCF of each of the following by common division method. 14...

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  2. Three persons started together for their morning walk. Their steps mea...

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  3. Find the common factors of: 30, 60, 80

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  4. Find the common factors of: 24, 36, 48

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  5. Find the common factors of: 20, 46, 62

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  6. Three brands A, B and C of biscuits are available in packets of 12, 15...

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  7. Write the first five multiples of 148

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  8. Write the first five multiples of 324

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  9. Write the first five multiples of 908

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  10. Draw factor tree for each of the following: 192

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  11. Draw factor tree for each of the following: 456

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  12. Draw factor tree for the following: 102

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  13. Using divisibility test, fill 'yes' or 'no' to complete the table.

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  14. Find the smallest number which when divided by 25, 40 and 60 leaves re...

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  15. In a seminar. the number of participants in Hindi, English and Mathema...

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  16. the HCF of two numbers is 6. If the numbers are 24 and 42, find their ...

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  17. Three cars A, B and C are moving around a circular path. In one hour, ...

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  18. The LCM and HCF of two numbers are respectively 2520 and 6. If one num...

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  19. Find the smallest number which on dividing separately by 12, 20 and 24...

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  20. Find the greatest 4-digit number which is exactly divisible by the num...

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