Question

A worker noticed that the hour hand on the factory clock had moved by 225 degrees during her stay at the factory. For how long did she stay in the factory ?

Answer 1

since its a clock therefore we know that every numbering in the clock consist of 30°( 360°/12=30°)

now A/Q

for 225°,

225°/30°=7.5

7and half hour=7:30.

hope it helps you

Answer 2

She stayed for 7.5 hrs in factory if factory clock had moved by 225 ° during her stay

Step-by-step explanation:

Hour clock moves 360°  in 12 hrs

=> in 1°  movement of hour clock time passed =  12/360  hrs

= 1/30 hrs

in 225°  movement of  hour clock time has passed = 225/30 hrs

= 15/2  hrs

= 7.5 hrs

She stayed for 7.5 hrs in factory if factory clock had moved by 225 ° during her stay

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