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What is length of largest tape which can measure the lengths of 24 m and 30 m.

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Important Questions on Playing with Numbers

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Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
Find HCF and LCM of 404 and 96 and verify that HCF×LCM=Product of the two given numbers.
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
HCF and LCM of two numbers p and q is A and B respectively, if A+B=p+q, then the value of A3+B3 is:
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
If LCM of two numbers is 231, HCF of two numbers is 11 and one number is 77, then find the other number.
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
If a and b are two positive integers, then the relation between their LCM and HCF will be:
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
The HCF of two numbers is 21 and their LCM is 221 times the HCF. If one of the numbers lies between 200 and 300, then the sum of the digits of the other number is:
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
The HCF of two numbers is 16 and their product is 3072. Find their LCM.
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Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
The HCF and LCM of the two numbers are 20 and 120 respectively. If one of the numbers is 50% greater than the other, then find the smaller number. 
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
Given that H.C.F.306,657=9. Find L.C.M.
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
The product of H.C.F and L.C.M of two numbers is 3321. If one of the numbers is 369, the H.C.F of the numbers is _____.
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
The ratio of two numbers is 7:13 and their HCF is 8. Their LCM is:
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
If a and b are any two positive integers, then HCFa, b×LCMa, b is equal to
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
The LCM and the HCF of the numbers 28 and 42 are in the ratio:
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
Given that H.C.F. (306, 657)=9, find L.C.M. 306, 657.
HARD
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
If L.C.M of two numbers is 231, H.C.F of two numbers is 11 and one number is 77, the other number is _____ .
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors

If the product of two numbers is 525 and their H.C.F. is 5, then find their L.C.M.

EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors

If the product of two numbers is 12960 and their H.C.F. is 18, then find their L.C.M.

EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
Given that HCF of two numbers is 97 and their LCM is 13871. If one of the number is 1067, find the other number.
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Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
The HCF of two numbers is 29, and the other two factors of their LCM is 15 and 13. The larger of the two numbers is:
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
The HCF and LCM of two numbers is 6 and 5040 respectively. If one of the numbers is 210, then the other number is:
EASY
Mathematics>Arithmetic>Playing with Numbers>Highest Common Factors
The LCM and HCF of two numbers are 171360 and 14 respectively. If one of the numbers is 2142 then what is the second number?