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The notation n! is defined as factorial n and it means the product of positive integers from 1 to n, for example 3! = 1 × 2 × 3. Now form the sum S = 1! + 2! + 3! + 4! + … up to ∞. If you divide this sum S by 8, the remainder is:
This question appeared in the UKPSC Prelims 2012 examination (Paper-II). It is Question 40 out of 249 questions in this paper.
This question was part of the UKPSC Prelims 2012 (Paper-II). The UKPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all UKPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.