Question
Sum of the two numbers is 81 and their HCF and LCM are 9 and 180, respectively. Find the sum of reciprocal of the given two numbers.
More HCF and LCM Questions
- The H.C.F. of two numbers is 14 and the other two factors of their L.C.M. are 5 and 11. The larger of the two numbers is:
- Two numbers are in the ratio 4 : 5 and their least common multiple (LCM) is 1800. What are the two numbers?
- The greatest number, which when subtracted from 5260, gives a number exactly divisible by each of 12, 16, 20 and 25, is:
- A boy can swim in still water at a speed of 8 km/hr. If the speed of the current would have been 3 km/hr, then the boy could swim 55 km
- If the product of two numbers is 180 and their HCF is 6, find the LCM of those two numbers.
- Three numbers a, b and c are co-prime to each other such that ab = 99 and bc = 275. Find the value of (a + b + c).
- Two numbers have HCF 4 and LCM 48. If one of the numbers is 12, find the other number.
- 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:
- The HCF of two numbers is 15. If their product is 3375, then how many such pairs exist?
- If the ratio of two numbers is 8 : 9 and their HCF is 6 then their LCM will be :
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