Question
A, B and C start running at the same time and at the same point in the same direction in a circular stadium. A completes a round in 720 seconds, B in 1080 seconds and C in 1800 seconds. After what time will they meet again at the starting point?
More HCF and LCM Questions
- Find the least number of four digits which is exactly divisible by 5, 15 and 25?
- What will be the greatest common divisor (GCD) of (x² - 6x + 8) and (x² - 9x + 20).
- The LCM of two numbers is 180, and the numbers are in the ratio 5:9. What will be the sum of the numbers?
- Find the greatest number that will divide 550, 675 and 500 without leaving a remainder.
- Find the HCF of two numbers if LCM and product of those two numbers are 15 and 675 respectively.
- The least number which when divided by 8, 10, 14, 16, and 20 leaves the same remainder 3 in each case, is:
- The HCF of two numbers is 72, and their LCM is 2160. What is the sum of the numbers?
- The least number which when divided by 5, 10, 12 and 15 leave zero remainder in each case and when divided by 18 leaves a remainder of 6 is:
- What is the least number that should be multiplied to 735 so that it becomes divisible by 42?
- Find the GCD of 1.08, 0.36 and 0.9.
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