Question

Watermelon made of pulp and water contains 90% water. After being dried up for some hours it contains 40% water. If the present weight is 20 kg. What was the original weight? a. 110 b. 120 c. 130 d. 150

Answer 1

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Answer 2

Question => Watermelon made of pulp and water contains 90% water. After being dried up for some hours it contains 40% water. If the present weight is 20 kg. What was the original ? a. 110 b. 120 c. 130 d 150 ?

Solution => 45 kilograms is the original weight .

Explanation => each 5 % contain 5 kg so , 90 % => 45 kg .

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