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प्रश्न
Find out the LCM of the following number:
15, 20
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उत्तर
Multiples of 15 = 15, 30, 45, 60, 75, 90, 105, 120,...
Multiples of 20 = 20, 40, 60, 80, 100, 120,...
Common multiples of 15 and 20: 60, 120,...
∴ LCM of 15 and 20 = 60
संबंधित प्रश्न
We observed the traffic lights at three different squares on the same big road. They turn green every 60 seconds, 120 seconds and 24 seconds. When the signals were switched on at 8 o’clock in the morning, all the lights were green. How long after that will all three signals turn green simultaneously again?
Find the LCM:
63, 81
Find the LCM:
18, 36, 27
Find the LCM:
24, 40, 80, 120
Find the LCM of the numbers given below:
42, 63
Add: `17/28 + 11/35`
Wilson, Mathan and Guna can complete one round of a circular track in 10, 15 and 20 minutes respectively. If they start together at 7 a.m from the starting point, at what time will they meet together again at the starting point?
Find L.C.M of the given number.
12 and 28
Determine the greatest 3-digit number exactly divisible by 8, 10 and 12.
Find the LCM of the following numbers:
- 9 and 4
- 12 and 5
- 6 and 5
- 15 and 4
Observe a common property in the obtained LCMs. Is LCM the product of two numbers in each case?
