Question
span >Four machines make a beep after every 1, 3, 5 and 2 min respectively . In 5hrs , how many times do they beep together if they have just beeped together.
More HCF and LCM Questions
- Three numbers are in the ratio 5:3:2 respectively. If the HCF of the numbers is 4, then find the LCM of the numbers.
- Find the HCF of 245, 350 and 385.
- The LCM of two natural numbers is 15 times their HCF. If the product of given two numbers is 13,500, then find the LCM of the numbers.
- The HCF and LCM of two natural numbers are 6 and 36, respectively. What is the difference between the two numbers, if one of the numbers is 18?
- If the product of two numbers is 252 and their HCF is 9, determine their LCM.
- The LCM of two natural numbers is 12 times their HCF. If the product of given two numbers is 432, then find the LCM of the numbers.
- HCF of two numbers 60 and 100 can be expressed in the form of (25m – 80) whereas LCM of these two numbers can be expressed in the form of (40n – 20). Find ...
- Find the LCM of 36, 45, 60, 80.
- Let N be the greatest number that will divide 82, 105, 128 leaving the same remainder in each case. Then sum of the digits in N is:
- The LCM of two numbers is 5 times of their HCF. The sum of LCM and HCF is 300. If one of the number is 250, then the other number is:
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