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Question

If a whale is $$30$$ times heavier than a lobster, then what is the weight of whale, if the lobster weighs $$10\ kg$$?

A
20 kg
B
40 kg
C
400 kg
D
300 kg
Solution
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Correct option is D. 300 kg
A whale is $$30$$ times heavier than a lobster,
then the weight of whale, if the lobster weighs $$10$$ kg
is$$=30 \times $$ the lobster's weight$$=30 \times 10 =300$$kg

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