MEDIUM
6th CBSE
IMPORTANT
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Find the largest number which divides 245 and 1029 leaving remainder 5 in each case.

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Important Questions on Playing With Numbers

MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 2

Three city tour buses leave the bus stop at 9:00 a.m.Bus A returns in every 30 minutes,Bus B returns in every 20 minutes and Bus C returns in every 45 minutes. What is the next time, all buses will return at the same time to the bus stop?

 

MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 3
Find the greatest number of  5-digits which when divided by 3,5,8 and 12 will have 2 as remainder.
EASY
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 4
State whether the numbers 27 and 29 are twin primes or co-primes.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 5
Check the divisibility of 226180 by 2,3,5
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 6
A rectangular room is 20 m 16 cm long and 15 m 60 cm wide. It is paved with square tiles of the same size. Find the greatest size(i of each tile.
EASY
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 7
Find the LCM of 14,21 and 35 by prime factorisation method.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 8
Find the HCF of the numbers 276,348 and 444
EASY
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 9
Define co-prime numbers. Write down three examples.