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
- The HCF of any set of 10 co-prime numbers is always:
- Three numbers are in the ratio 7:5:4 respectively. If the HCF of the numbers is 3, then find the LCM of the numbers.
- Find the greatest number of four digits which is exactly divisible by 12, 15, 20 and 35?
- Find the HCF and LCM of 45, 60 and 75.
- Let N be the greatest number that will divide 85, 116, 147 leaving the same remainder in each case. Then sum of the digits in N is:
- The product of the two prime numbers is 187. What will the L.C.M of these two numbers?
- If the highest common factor of two numbers is 15, then which of the following may be the least common multiple of the numbers?
- The product of two numbers is 2880 and their GCD is 24. What is the LCM?
- If total number of factors of 2,520 is 'y', then find the value of (y - 4)(y + 6).
- What is the HCF of (x4 - x2 - 6) and (x4 - 4x2 + 3) ? (a) x2 - 3 (b) x + 2 (c) x + 3 ...
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