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Answers by Vishu Nair

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I did come up with answer but the test said it wrong. Help me here. Wireless Numericals
Quoted Question: One of the large unlicensed bands used for 802.11b WiFi is 2.4GHz. What is the length of these waves? Answer in feet.

answered in Computer Networks Nov 3, 2018

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GATE2014 EC-1: GA-10
You are given three coins: one has heads on both faces, the second has tails on both faces, and the third has a head on one face and a tail on the other. You choose a coin at random and toss it, and it comes up heads. The probability that the other face is tails is $\dfrac{1}{4}$ $\dfrac{1}{3}$ $\dfrac{1}{2}$ $\dfrac{2}{3}$

answered in Quantitative Aptitude Jun 13, 2018

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