A bell in a clock rings once at 1 o'clock , twice at 2 o'clock , thrice at 3 o'clock, and so on......Then how many times it rings a day????

Maths

5 उत्तर

Total bell rings in 12 hours = 1+2+...+12br /Total bell rings in 24 hours = 2(1+2+...+12) {because, after 12 o'clock, the clock resets and starts from 1 instead of 13}br /Total bell rings = 2(78)br /= 156br /
- Kartik
- 10 जून
- 0 टिप्पणी
1
The bell rings 78 time in 12 hour and 156 times ring in 24 hours
- Divya
- 13 जुलाई
- 0 टिप्पणी
0
It rings 78 times in 12hours, since a complete day is of 24 hrs it would be ringing for 156 times
- Habiba
- 06 जुलाई
- 0 टिप्पणी
1
For me 78 times in 12 hours and 156 times in 24 hours.
- Ilham
- 01 जुलाई
- 0 टिप्पणी
5
78 times as of 12 hours and 156 times as of 24 hours
- Sayali
- 28 जून
- 0 टिप्पणी
2

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