Ask a New Question
Search
Questions and answers by
Manasvi
Questions (5)
What is a abbreviate for street, people's title, and customary
1 answer
508 views
What is the HCF / GCF of 120, 180 and 190
in prime factorisation method
2 answers
1,317 views
What is the HCF / GCF of 120, 180 and 190
in prime factorisation method
1 answer
483 views
What is the HCF / GCF of 120, 180 and 190 as per prime factorisation. Please explain in depth....
1 answer
459 views
What is the HCF / GCF of 120, 180 and 190
3 answers
446 views
Answers (2)
Let the distance between the two station be x While going speed = 54 km/hr So, Time taken = x/54 While returning speed = 36 km/hr So, Time taken = x/36 Total time = x/54 + x/36 = 5x/108 Average speed = total distance / total time = x+x/5x/108 = 2x/5x/108 =
But the answer in the book is 6840 for HCF / GCF of 120, 180 and 190 calculated under prime factorisation method. How it is? Can someone explain the calculation in depth..!!
