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The least number of computers required to connect 10 computers to 5 routers to guarantee 5 computers can directly access 5 routers is ______

The least number of computers required to connect 10 computers to 5 routers to guarantee 5 computers can directly access 5 routers is ______ Correct Answer 30

Since each 5 computer need directly connected with each router. So 25 connections + now remaining 5 computer, each connected to 5 different routers, so 5 connections = 30 connections. Hence, c1->r1, r2, r3, r4, r5 c2->r1, r2, r3, r4, r5 c3->r1, r2, r3, r4, r5 c4->r1, r2, r3, r4, r5 c5->r1, r2, r3, r4, r5 c6->r1 c7->r2 c8->r3 c9->r4 c10->r5 Now, any pick of 5 computers will have a direct connection to all the 5 routers.

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