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
- The least number which when divided by 16, 32 and 48 leave remainder 4, 20 and 36 respectively is?
- The HCF of two numbers is 64, and their LCM is 1920. What is the sum of the numbers?
- LCM of two numbers is 56 times their HCF, with the sum of their HCF and LCM being 1710. If one of the two numbers is 240, then what is the other number?
- The H.C.F. of two numbers is 16 and the other two factors of their L.C.M. are 4 and 13. The larger of the two numbers is:
- A baker has four different varieties of cookies in quantities of 540, 720, 810, and 630. He wishes to pack these cookies such that each box holds cookies o...
- The H.C.F. of two numbers is 21 and the other two factors of their L.C.M. are 10 and 14. The larger of the two numbers is:
- Find out how much the Least Common Multiple exceeds the Highest Common Factor of 16, 40, and 80.
- Find the HCF of 36, 108, and 156.
- If total number of factors of 1,800 is 'x', then find the value of (x - 8) (x + 4).
- Find the greatest number which when divide 25,40 & 55 leave a same remainder in each case?
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