Test Preparation on Math Test Preparation Problems on H.C.M & L.C.M Part 2
1.
A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?
2.
The ratio of two numbers is 4 : 5. If the HCF of these numbers is 6, what is their LCM?
3.
What is the HCF of 2.04, 0.24 and 0.8 ?
4.
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is:
