Question

find the LCM for 1 day 2 hrs , 16 hrs 30 min , 40 min 50 sec

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Answer 1

Answer:

1 day 2 hrs-26 hrs×60×60-93600 sec 16 hrs 30min= 990 min-57600

40 min 50 sec=2450

Answer 2

Answer:

1751 days 18 hours

Step by step explanation:

First we will convert all these to one unit i.e. to seconds.

1 day = 24 hours 1 hr = 60 minutes 1 min = 60 secs

1 day 2 hours = 24 hrs + 2 hrs = 26 hours

26 hours = 26 hours × 60 minutes = 1560 minutes

1560 minutes = 1560 mins × 60 secs = 93,600 secs

16 hours 30 minutes = 16 hrs × 60 mins = 960 minutes

960 minutes + 30 minutes = 990 minutes

990 minutes = 990 mins × 60 secs = 59,400 secs

40minutes 50 seconds=40 mins× 60 secs = 2,400 secs

2,400 secs + 50 secs= 2,450 seconds

Now these ready to take the LCM -

93,600 seconds 59,400seconds 2,450 seconds

LCM is 15,13,51,200 seconds

In minutes it is 15,13,51,200/60 i.e. 25,22,520 minutes

In hours it is 25,22,520/60 = 42,042 hours

In days it is 1751 days 18 hours

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