The mass of one ball is 2 kg 200 grams. What will be the mass of 9 balls?
A
19 kg 800 grams
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B
19 kg 700 grams
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C
19 kg 80 grams
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D
19 kg 70 grams
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Solution
The correct option is A 19 kg 800 grams The mass of one ball = 2 kg 200 grams = 2200 grams (∵ 1kg = 1000 grams) The mass of 9 balls =2200×9 = 19,800 grams = 19 kg 800 grams