Question
Three bells ring at regular intervals of 28 seconds, 60 seconds, and 84 seconds, respectively. Over a span of 10 minutes, how many times will all three bells ring simultaneously?
More HCF and LCM Questions
- The HCF of two numbers is 7. Which of the following can never be their LCM?
- The LCM of two numbers is 168, and the numbers are in the ratio 4:7. Find the sum of the numbers.
- What is the least number which when divided by 3, 15 & 18 leave a remainder 6 in each case & it is also divisible by 12?
- The HCF of two numbers is 9 and their LCM is 360. If one number is 45, find the other number.
- Let N be the greatest number that will divide 85, 112, 139 leaving the same remainder in each case. Then sum of the digits in N is:
- The product of two numbers is 10140 and their HCF is 13. Total number of such pairs of numbers is?
- If the product of two numbers is 350 and their HCF is 10, then find the LCM of the given two numbers.
- Find the difference between sum of digits of LCM and HCF of 54, 72 and 90.
- Find the greatest number that will divide 450, 575 and 400 without leaving a remainder.
- If the highest common factor of two numbers is 12, then which of the following may be the least common multiple of the numbers?
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