Question
The sum of two positive integers is 84 and their HCF is 6. How many ordered pairs (a,
The sum of two positive integers is 84 and their HCF is 6. How many ordered pairs (a,
b) of such integers are possible?
More HCF and LCM Questions
- The HCF of two numbers is 13. Which of the following can never be their LCM?
- Let N be the greatest number that will divide 86, 120, 154 leaving the same remainder in each case. Then sum of the digits in N is:
- Find the least common multiple of (48/64), (36/54), and (24/72).
- If the product of two numbers is 252 and their HCF is 9, determine their LCM.
- Find the HCF and LCM of 18 and 30.
- Find the difference between sum of digits of LCM and HCF of 24, 36 and 90.
- The HCF of two numbers is 18 and their LCM is 540. If one of the numbers is 90, find the other number.
- The H.C.F. of two numbers is 22 and the other two factors of their L.C.M. are 9 and 11. The larger of the two numbers is:
- The LCM of two numbers is 432 and their HCF is 55. If one of the numbers is 132, the other number is:
- If the product of two numbers is 3026 and their LCM is 89 then their HCF is:
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