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
- Find the HCF of two numbers if LCM and product of those two numbers are 45 and 630 respectively.
- If total number of factors of 1,575 is 'x', then find the value of (x - 3) (x + 9).
- The product of the two prime numbers is 187. What will the L.C.M of these two numbers?
- Find the largest number of the five digit which is exactly divisible by 48, 72 and 108.
- LCM of two numbers is 18 times their HCF. The product of the numbers is 64800. What will be the maximum possible difference between the numbers?
- The LCM of two numbers is 3600 while their HCF is 60. If one of the numbers is 600, then the other number is:
- Find the HCF and LCM of 36, 45 and 60.
- Find the range of the given data: 99, 101, 85, 90, 112, 87, 95
- The HCF of two numbers is 12. If their product is 1728, then how many such pairs exist?
- The LCM for two prime numbers x and y, (x > y) is 319. The value of (2y + x) :
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