Assertion :10 decades make a century. Reason: 1 century is equal to 100 years and 1 decade is equal to 10 years.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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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 10decades=10×10=100 years (a century) .
A century is made by 100 years hence it is divided into 100/10=10decades. Hence 1 decade makes 10 years .