Question
A, B and C start running around a circular track and complete one round in 10, 15 and 25 seconds respectively. In how many seconds will the three meet again at the starting point if they all have started running at the same time?
More HCF and LCM Questions
- Find the HCF of 864 and 582.
- The HCF of 5453 and 6409 is 221, their LCM is:
- The HCF of any set of 10 co-prime numbers is always:
- Determine the HCF of 60, 90 and 150
- The sum of the HCF and LCM of two numbers is 340, and the LCM is 16 times the HCF. If one of the numbers is 40, find the other number.
- If the product of two numbers is 144 and their HCF is 6, then find the LCM of the given two numbers.
- What is the unit digit of the number 'A' obtained by subtracting the largest two-digit prime number from the least common multiple (LCM) of all single-digi...
- Two numbers are in the ratio 5:12, and their least common multiple (LCM) is 1,440. Determine the sum of these two numbers.
- LCM of 21 5 , 21 10 and 21 15 is? (1). 21 5 (2). 21 15 (3).2130 (4 ). 21 10
- Three numbers a, b and c are co-prime to each other such that ab = 88 and bc = 33. Find the value of (a + b + c).
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