HCF- LCM (ल. स. व म. स.) Learn easily by tricks✌

When we pass from crossing on a road we all see traffic lights blinking there. A traffic controller set the timmings of traffic lights in such a way that all lights are not green at the same time or specially not in the rush hour, because it can create chaos or problems. So, he take the timings of nearby places in same area and calculate LCM of all traffic stops and he easily manage the traffic by increase the duration or set at different times. There are two traffic lights on a particular highway which shows green light on time of 90 seconds and 144 seconds respectively. Evaluate the HCF of the timings of two green Lights.

What is the LCM of the HCF of 2/3, 3/4 and LCM of 5/6,7/8 ? 2/3, 3/4 के म. स. तथा 5/6,7/8 के ल. स. का ल. स. क्या है?

The sum of two positive numbers is 240 and then HCF is 15. Find the number of pairs of numbers satisfying the given conditions. दो धनात्मक संख्याओं का योग 240 है, और उनका म.स.प. (HCF)15 है। दी गई शर्त को संतुष्ट करने वाली संख्याओं के युग्मों को संख्या ज्ञात कीजिए।

If two numbers are in the ratio of 7 : 11, and their HCF is 13 then find their LCM. यदि दो संख्याओं का अनुपात 7:11 है और उनका म. स. 13 है, तो उसका ल.स. है: