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CBSE Class 11-science Answered

eight cards bearing number 1,2,3,4,5,6,7,8, are well shuffled . then in how mAny ways the top two cards will form a pair of twin prime equals
Asked by samyakagarwal7may | 12 Oct, 2018, 11:42: PM
answered-by-expert Expert Answer
According to teh question,
twin prime pairs are (3, 5), (5, 3), (5, 7) and (7, 5) as prime pairs can be written in any order.
Thus, there are 4 ways to form a pair of twin prime.
Answered by Sneha shidid | 15 Oct, 2018, 11:29: AM

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