A clock strikes once at 1 o clock,twice at 2 o clock,thrice at 3 o clock and so on. How many times will it strikes in 24 hoursPLEASE GIVE STEP BY STEP EXPLANATION . AND NOT HARD DO IN EASY WAY About the author Rose
[tex]answer[/tex] There are 12 hours in the morning (1am, 2am, …, 12am) and 12 hours in the afternoon (1pm, 2pm, …, 12pm). The formula for the sum of numbers from 1 to n is (n^2+n)/2. (12^2+12)/2 = 78. The clock strikes 78 times in the morning. The clock also strikes 78 times in the afternoon. Total 156. Reply
[tex]answer[/tex]
There are 12 hours in the morning (1am, 2am, …, 12am) and 12 hours in the afternoon (1pm, 2pm, …, 12pm).
The formula for the sum of numbers from 1 to n is (n^2+n)/2.
(12^2+12)/2 = 78. The clock strikes 78 times in the morning.
The clock also strikes 78 times in the afternoon.
Total 156.