Which of the given decimal numbers when multiplied by 4 gives a number greater than 20.8 :

5.05 , 4.9 , 5.016 , 5.22

5.016

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5.05

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4.9

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5.22

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Solution

The correct option is D
5.22

5.05 $\times$ 4 = 20.2

4.9 $\times$ 4 = 19.6

5.016 $\times$ 4 = 20.064

5.22 $\times$ 4 = 20.88 which is greater than 20.8.

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