. The temperature of Darjeeling at 6 am on a certain day in the winter season was recorded as -3℃. It remained constant until 8 am and started increasing every half an hour. Till noon, the temperature increased by 2℃ every half an hour. However, from that time till 6 pm, it increased by 3℃ in every hour. But, by evening, from 6 pm till 10:00 pm, it decreased by 4℃ every hour. What is the temperature of the city at 10:00 pm?
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Answer:
Ans of this question is 14℃.