(1−1/4)(1−1/5)(1−1/6).....(1−1/20)=?(1 - 1/4)(1 - 1/5)(1 - 1/6).....(1 - 1/20)=?(1−1/4)(1−1/5)(1−1/6).....(1−1/20)=? A1/20B3/20C19/20D1/4Answer: B. 3/20 Read Explanation: (1−1/4)(1−1/5)(1−1/6).....(1−1/20)(1 - 1/4)(1 - 1/5)(1 - 1/6).....(1 - 1/20)(1−1/4)(1−1/5)(1−1/6).....(1−1/20)=3/4×4/5×.....×19/20=3/4\times4/5\times.....\times19/20=3/4×4/5×.....×19/20=3/20=3/20=3/20 Read more in App