1] LCM of two number is 60 if the product of the two numbers is 840 find their HCF
2] the HCF of two numbers is 12 and their product is 3600. Find their LCM. *
UNITARY METHOD
1[Raju is the owner of a mall . at the end of a business day raju counted the collection of money earned from the Mall he had 700 notes of 2000 , 500 hundred notes of 500, 600 notes of 100,80 notes of 50 . how much is the amount in total Express the total amount in both indian and international system
2[geelani had to meet his friend jeevan at the railway station before the train leaves he had just enough time to ride his bicycle for 15 km .his mother asked him to go to market , 5 1/ 4 km away to get some provisions .he went to the market and came back home .he then immediately to the station 3 3/4 km away .did he reached the station before the trai
2] the HCF of two numbers is 12 and their product is 3600. Find their LCM. *
UNITARY METHOD
1[Raju is the owner of a mall . at the end of a business day raju counted the collection of money earned from the Mall he had 700 notes of 2000 , 500 hundred notes of 500, 600 notes of 100,80 notes of 50 . how much is the amount in total Express the total amount in both indian and international system
2[geelani had to meet his friend jeevan at the railway station before the train leaves he had just enough time to ride his bicycle for 15 km .his mother asked him to go to market , 5 1/ 4 km away to get some provisions .he went to the market and came back home .he then immediately to the station 3 3/4 km away .did he reached the station before the trai
Answers & Comments
1] LCM × HCF = products of two numbers
⇒840 × HCF = 56 × 60
⇒HCF = [tex]\cancel \frac {3360}{840}[/tex]
⇒HCF = 4
2]HCF × LCM = Product of the numbers
⇒ 12 × LCM = 3600
⇒ LCM =[tex]\cancel \frac {3600}{12}[/tex]
⇒ LCM = 300
The LCM of the two numbers = 300
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