Question
Let N be the greatest number that will divide 72, 105, 138 leaving the same remainder in each case. Then sum of the digits in N is:
More HCF and LCM Questions
- Sum of the two numbers is 42 and their HCF and LCM are 6 and 72, respectively. Find the sum of reciprocal of the given two numbers.
- The LCM and the HCF of the numbers 25 and 50 are in the ratio:
- The HCF and LCM of two natural numbers are 14 and 66, respectively. What is the difference between the two numbers, if one of the numbers is 28?
- The least number which when divided by 8, 10, 12 and 15 leave zero remainder in each case and when divided by 16 leaves a remainder of 8 is:
- The H.C.F of two numbers is 2 and their L.C.M is 117. If one of the numbers is 13, find the other?
- Three numbers are in the ratio 7:2:3 respectively. If the HCF of the numbers is 6, then find the LCM of the numbers.
- Find the greatest number that will divide 420, 525 and 300 without leaving a remainder.
- A sum was lent at simple interest for 2.5 years. If the rate had been 7.5% more, the interest would have been Rs. 375 extra. What was the amount lent?
- The sum of HCF and LCM of two numbers is 425. If the LCM is 16 times the HCF, and one number is 25, find the second.
- The sum of the HCF and LCM of two numbers is 340, and the LCM is 16 times the HCF. If one of the numbers is 40, find the other number.
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