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6th CBSE
IMPORTANT
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LCM of co-prime numbers is always equal to their product.

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Important Questions on Factors and Multiples

MEDIUM
6th CBSE
IMPORTANT
Secondary Mathematics Class -VI>Chapter 2 - Factors and Multiples>Brain Teasers>Q (a)
Six bells commence tolling together and toll at intervals of 2,4,6,8,10 and 12 seconds respectively. After how many minutes will they toll together again?
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6th CBSE
IMPORTANT
Secondary Mathematics Class -VI>Chapter 2 - Factors and Multiples>Brain Teasers>Q (b)
The HCF of two numbers is 11 and their LCM is 7700. If one of the numbers is 275, then the other is:
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6th CBSE
IMPORTANT
Secondary Mathematics Class -VI>Chapter 2 - Factors and Multiples>Brain Teasers>Q (c)
The greatest possible length which can be used to measure exactly the lengths 7 m,3 m 85 cm,12 m 95 cm is:
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6th CBSE
IMPORTANT
Secondary Mathematics Class -VI>Chapter 2 - Factors and Multiples>Brain Teasers>Q (d)
252 can be expressed as a product of primes as-
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6th CBSE
IMPORTANT
Secondary Mathematics Class -VI>Chapter 2 - Factors and Multiples>Brain Teasers>Q (e)
Which of the factor is a factor of every natural number?
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6th CBSE
IMPORTANT
Secondary Mathematics Class -VI>Chapter 2 - Factors and Multiples>Brain Teasers>Q (a)
Find the highest common factor of 36 and 84?
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6th CBSE
IMPORTANT
Secondary Mathematics Class -VI>Chapter 2 - Factors and Multiples>Brain Teasers>Q (b)
How many factors does 36 have? 
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6th CBSE
IMPORTANT
Secondary Mathematics Class -VI>Chapter 2 - Factors and Multiples>Brain Teasers>Q (c)
Express 132 as sum of two odd primes.