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The mean of cubes of the first natural numbers is:
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Important Questions on Progression
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The term of an arithmetic series is and the sum of first terms is . The first term is:
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In a geometric progression the sum of the first and the last term is and the product of the second and the last but one term is . Determine the first term of the series?
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A man walks on the first day morning and subsequently every day he walks half of the distance walked on the previous morning. What can be maximum total distance walked by him in his life time?
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If the term of the sequence is and its term is , then its term is:
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The third term of a geometric progression is . The product of first terms is:
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The series up to term is . The value of () is:
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If forms an arithmetic progression, then is equal to:
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If the term of an AP is twice term, and the term is 'k' times the term, then the value of k is:
