Question
Four runners started running simultaneously from a point on a circular track. They took 400 seconds, 600 seconds, 720 seconds and 900 seconds to complete one round. After how much time do they meet at the starting point for the first time ?
More HCF and LCM Questions
- Two numbers are in the ratio 3:7. The product of their H.C.F. and L.C.M. is 2541. The sum of the numbers is:
- If total number of factors of 2,520 is 'y', then find the value of (y - 4)(y + 6).
- Find the HCF and LCM of 24 and 36.
- The LCM of two numbers is 720 while their HCF is 12. If one of the numbers is 120, then the other number is:
- The LCM of two natural numbers is 25 times their HCF. If the product of given two numbers is 22,500, then find the LCM of the numbers.
- If the product of two numbers is 432 and their HCF is 12, what will be their LCM?
- Find the greatest number that will divide 550, 675 and 500 without leaving a remainder.
- Two men started moving in a circular path from the same place at the same time in the same direction. If they complete one revolution in 12 min and 16 min ...
- Find the HCF and LCM of 36, 45 and 60.
- 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.
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