Assertion :100 years make 10 decades Reason: 1 decade = 10 years

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
A decade is made by 10 years , hence 100 years make $100 / 10 = 10 d e c a d e s$ .
A century is made by 100 years hence it is divided into $100 / 10 = 10 d e c a d e s .$

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