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Answer:
The last five temperatures were 6 °C, 2 °C, 2 °C, 6 °C and 10 °C and each day the temperature rose by the same amount i.e. by 4 °C.
Explanation:
As the temperature rose steadily each day and the average was 2 °C, we know that the third last temperature was 2 °C (obviously, considering it as the mean value).
Note: The freezing point of water is 0 °C.
If we assume a daily increase by 1 °C, the sequence would be 0, 1, 2, 3, 4. This doesn’t work as we require 1 negative temperature value with 0 °C, as it froze on two occasions [as mentioned in the question] i.e. obviously considering that it froze for two consecutive days, as well as it is an invalid case as the product of the temperatures was over 500 [as mentioned in the question] whereas in this case it’s 0.
If we assume a daily increase by 2 °C, the sequence would be 2, 0, 2, 4, 6. This doesn’t work as the product of the temperatures was over 500 whereas in this case it’s 0.
If we assume a daily increase by 3 °C, the sequence would be 4, 1, 2, 5, 8. This doesn’t work as the product of the temperatures is not over 500, which is a requirement [as mentioned in the question].
If we assume a daily increase by 4 °C, the sequence would be 6, 2, 2, 6, 10. This matches all of the requirements.
Further, if we assume a daily increase by 5 °C, the sequence would be 8, 3, 2, 7, 12. This doesn’t work as the product of the temperatures is not below 2000, which is a requirement [as mentioned in the question].
So, the possible answer is 6 °C, 2 °C, 2 °C, 6 °C and 10 °C.
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 1 answers
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CHICK = a baby chicken,
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 2 answers
 0 votes

Letter ‘t’ is the last one in the word ‘alphabet’.
 1975 views
 5 answers
 0 votes

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 1 answers
 0 votes

They were used by someone who made a snowman. The snow has now melted.
This answer accepted by SherlockHolmes. on 20th June 2017 Earned 20 points.
 2719 views
 1 answers
 0 votes

The teacher committed the crime as because it’s the first day of the school and so unfortunately there are no grades to be computed.
 3378 views
 2 answers
 0 votes

The matchstick. ?
 4531 views
 2 answers
 1 votes

My birth date is… I seriously don’t feel like telling you my birth date this way out. Better luck next time bro. ?
 6037 views
 3 answers
 0 votes

The truck driver need not necessarily be within the truck and driving it I suppose…
 5098 views
 3 answers
 0 votes

Solution :
Isaac Newton picks up a piece of wood and lights it from the fire on the west end of the island.
He then quickly carries it near the east end of the island and starts a new fire. The wind will cause that fire to burn out the eastern end and he can then easily shelter in the burnt area.
(Irony : Isaac Newton will definitely survive the fire, but he will surely die of starvation, with all the food in the forest burnt.)
 2683 views
 2 answers
 1 votes