Question

Anand switched on a bulb at 1: 23 : 45 hours and switched it off on the same day at 5 : 43 : 21 hours for how long was double in switch on mode

Answer 1

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Answer 2

Given :  Anand switched on a bulb at 1: 23 : 45 hours and switched it off on the same day at 5 : 43 : 21 hours

To find : For how long Switch was on

Solution:

Anand switched on  bulb at 1: 23 : 45 hours  

Anand switched  off bulb at 5 : 43 : 21 hours

Time Switch was on

= 5 : 43 : 21    - 1: 23 : 45

5: 43 : 21  = 42 Min  (60 + 21) sec

= 5 hr 42 Min 81 Sec

5 hr 42 Min 81 Sec - 1 hr 23 Min 45 Sec

= 4 hr  19 Min  36 Sec

Switch was on for 4 hr  19 Min  36 Sec

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