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
- If the product of two numbers is 90 and their HCF is 6, then find the LCM of the given two numbers.
- The sum of HCF and LCM of two numbers is 765. The LCM is 84 times the HCF. If one of the numbers is 85, what is the other number? (find approximate value)
- If the multiplication of two numbers is 270 and their HCF is 9, then what will be their LCM?
- Find the smallest number which when divided by 3, 4, 5 and 6 gives remainder ‘2’ in each case?
- The HCF of two numbers is 6 and their LCM is 180. If one number is 30, find the other number.
- 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:
- Two numbers are in the ratio 4 : 5 and their least common multiple (LCM) is 1800. What are the two numbers?
- The product of two numbers is 5040 and their GCD is 35. What is the LCM?
- Let N be the greatest number that will divide 86, 112, 138 leaving the same remainder in each case. Then sum of the digits in N is:
- 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?
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