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 common multiple of (18/27), (24/36), and (30/45).
- The product of two numbers is 1344 and their L.C.M is 168. What is the H.C.F of the two numbers?
- If total number of factors of 2,520 is 'y', then find the value of (y - 4)(y + 6).
- The HCF of two numbers is 7. Which of the following can never be their LCM?
- What is the unit digit of the number 'Z' obtained by subtracting the largest two-digit prime number from the least common multiple (LCM) of all single-digi...
- Three numbers are in the ratio 2:3:6 respectively. If the HCF of the numbers is 5, then find the LCM of the numbers.
- Let N be the greatest number that will divide 89, 110, 131 leaving the same remainder in each case. Then sum of the digits in N is:
- Determine the difference between the LCM and HCF of the numbers 15, 25, and 50.
- The least number which when divided by 4, 8, 10 and 12 leave zero remainder in each case and when divided by 13 leaves a remainder of 9 is:
- The HCF of two numbers is 18 and their LCM is 540. If one of the numbers is 90, find the other number.
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