Question

HEYA 10thies

This one Is for You


MATHS, CH-1 REAL Numbers

Q. A circular field has a circumference of 360 km. three cyclists start together and can cycle 60 km, 72km and 90 km a day around the field. After how many days they will meet again at the starting point ?

Step By Step And Correct Explaination Will Be Awarded BRAINLIEST For sure.

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Answer 1

Answer:

60 days

Step-by-step explanation:

Circumference = 360km

So for A, time to complete one rev = 360/60 = 6d

For B, time = 360/72 = 5d

For C, time = 360/90 = 4d

LCM of 6, 5 and 4 is 60

i.e. after 60 days each cyclist will be at the starting point together for the first time

Answer 2

Answer:

HEYA FRIEND HERE IS YOUR ANSWER

L.C.M.

Circumference of a circular field = 360km

→Distance covered by 1st cyclist = 60km

No. of days taken by 1st cyclist to cover the round = 360/60

                                                                                   = 6 days

→Distance covered by 2nd cyclist = 72km

No. of days taken by 2nd cyclist to cover the round = 360/72

                                                                                      = 5 days

→Distance covered by 3rd cyclist = 90km

No. of days taken by 3rd cyclist to cover the round = 360/90

                                                                                     = 4 days

L.C.M.(4,5,6) = 60

∴ After 60 days the cyclists will again at the starting point.

HOPE IT HELPS YOU!!