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What is the value of seven factorial?
A4020
B4520
C5040
D5540
Answer & Solution
Correct answer: C. 5040
1. Seven factorial extends five factorial by two more multipliers.
2. Five factorial is 120, so multiply that by 6 to reach 720.
3. Multiplying 720 by 7 gives 5040.
_Source: NCERT Class 11 Mathematics, Ch 6 'Permutations and Combinations'_
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