Problem 1:A watermelon weights 20lbs and contains 90% water. After evaporates during the day and the water content is 80%. What is the weight of watermelon at the end of the day?
Problem 2:
If the same watermelon loses 5% of water content every day. If its original weight is 20lbs. After how may days will it way 3lbs?
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Problems from M-05/06/21
Problem 1:
John computes that the mean of 25 items in his grocery bill is $3.14. He realizes that he made a mistake in price of an item. Instead of $4.50 he used $5.50. What should be the actual mean of his grocery bill?
Problem 2:
Five integers are in the ratio 1: 2: 3: 4: 5. Their arithmetic mean is 12. What is the smallest of these numbers.
Congratulations to Ramachandran Balakrishna, who was the winner of the last set of problems.
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