An intelligence agency decide on a code of 2 digits selected from - TopicsExpress



          

An intelligence agency decide on a code of 2 digits selected from 0, 1, 2, …, 9. But the slip on which the code is handwritten, allows confusion between the top and the bottom, because these are indistinguishable. Thus, for example, the code 81 could be confused with 18. How many codes are there such that there is no possibility of any confusion? a. 25 b. 75 c. 80 d. 70 e. None of these Interested in CLs products, to know more check here: bit.ly/1mtyHYR
Posted on: Fri, 16 May 2014 04:30:00 +0000

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