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Question Number 1047 by 112358 last updated on 23/May/15 $${Simplify}\:{the}\:{following} \\ $$$${expression}\:{using}\:{the}\:{laws}\:{of}\: \\ $$$${Boolean}\:{algebra}: \\ $$$$\left({x}\wedge\backsim{y}\right)\vee\left(\backsim{y}\wedge\backsim{z}\right)\vee\left(\backsim{x}\wedge\backsim{z}\right)\:. \\ $$$$ \\ $$ Commented by prakash jain last…
Question Number 961 by Madan pd gupta last updated on 08/May/15 $$\left[\left\{\mathrm{8}+\mathrm{4}×\mathrm{3}+\left(\mathrm{7}\boldsymbol{\div}\mathrm{7}×\mathrm{3}\right)\right\}\right]_{} \\ $$ Answered by rpatle69@gmail.com last updated on 08/May/15 $$\mathrm{23} \\ $$ Terms…
Question Number 902 by 123456 last updated on 18/Apr/15 $$\mathrm{X}\:\mathrm{is}\:\mathrm{a}\:\mathrm{person}\:\mathrm{that}\:\mathrm{can}\:\mathrm{only}\:\mathrm{one}\:\mathrm{of}\:\mathrm{these} \\ $$$$\mathrm{a}.\mathrm{only}\:\mathrm{tell}\:\mathrm{truth} \\ $$$$\mathrm{b}.\mathrm{only}\:\mathrm{tell}\:\mathrm{lie} \\ $$$$\mathrm{using}\:\mathrm{a}\:\mathrm{minimal}\:\mathrm{number}\:\mathrm{of}\:\mathrm{question} \\ $$$$\mathrm{how}\:\mathrm{to}\:\mathrm{discover}\:\mathrm{what}\:\mathrm{type}\:\mathrm{of}\:\mathrm{people} \\ $$$$\mathrm{are}\:\mathrm{X}? \\ $$ Answered by prakash…
Question Number 854 by 123456 last updated on 26/Mar/15 $$\mathrm{there}\:\mathrm{a}\:\mathrm{room}\:\mathrm{with}\:\mathrm{3}\:\mathrm{doors},\:\mathrm{only}\:\mathrm{one} \\ $$$$\mathrm{to}\:\mathrm{exit},\:\mathrm{there}\:\mathrm{are}\:\mathrm{one}\:\mathrm{people},\:\mathrm{you}\:\mathrm{can} \\ $$$$\mathrm{talk}\:\mathrm{to}\:\mathrm{her}\:\mathrm{3}\:\mathrm{question}\:\mathrm{and}\:\mathrm{he}\:\mathrm{only}\:\mathrm{will} \\ $$$$\mathrm{answer}\:\mathrm{you}\:\mathrm{truth}\:\mathrm{in}\:\mathrm{only}\:\mathrm{one}\:\mathrm{question} \\ $$$$\mathrm{talking}\:\mathrm{a}\:\mathrm{lie}\:\mathrm{in}\:\mathrm{the}\:\mathrm{other}\:\mathrm{two}\:\mathrm{question}, \\ $$$$\mathrm{but}\:\mathrm{you}\:\mathrm{dont}\:\mathrm{know}\:\mathrm{what}\:\mathrm{the}\:\mathrm{question} \\ $$$$\mathrm{wich}\:\mathrm{he}\:\mathrm{sayed}\:\mathrm{the}\:\mathrm{truth},\:\mathrm{how}\:\mathrm{a}\:\mathrm{people} \\ $$$$\mathrm{exit}\:\mathrm{this}\:\mathrm{room}\:\mathrm{if}\:\mathrm{possible}? \\…
Question Number 848 by 123456 last updated on 25/Mar/15 $$\mathrm{in}\:\mathrm{a}\:\mathrm{street}\:\mathrm{was}\:\mathrm{two}\:\mathrm{way}\:\mathrm{road}\:\mathrm{that}\:\mathrm{leads}\:\mathrm{to} \\ $$$$\mathrm{city}\:\mathrm{A}\:\mathrm{and}\:\mathrm{city}\:\mathrm{B},\:\mathrm{at}\:\mathrm{the}\:\mathrm{street}\:\mathrm{you}\:\mathrm{find} \\ $$$$\mathrm{two}\:\mathrm{people},\:\mathrm{one}\:\mathrm{lie}\:\mathrm{and}\:\mathrm{one}\:\mathrm{tell}\:\mathrm{truth} \\ $$$$\mathrm{if}\:\mathrm{you}\:\mathrm{can}\:\mathrm{talk}\:\mathrm{one}\:\mathrm{question}\:\mathrm{to}\:\mathrm{each} \\ $$$$\mathrm{people}\:\mathrm{only},\:\mathrm{how}\:\mathrm{you}\:\mathrm{go}\:\mathrm{to}\:\mathrm{city}\:\mathrm{A}? \\ $$ Answered by prakash jain last…
Question Number 843 by prakash jain last updated on 05/Apr/15 $$\mathrm{There}\:\mathrm{are}\:\mathrm{2}\:\mathrm{doors}\:\mathrm{in}\:\mathrm{a}\:\mathrm{room}\:\mathrm{and}\:\mathrm{only} \\ $$$$\mathrm{one}\:\mathrm{of}\:\mathrm{them}\:\mathrm{leads}\:\mathrm{to}\:\mathrm{exit}.\:\mathrm{There}\:\mathrm{is}\:\mathrm{one} \\ $$$$\mathrm{watchman}\:\mathrm{who}\:\mathrm{tosses}\:\mathrm{a}\:\mathrm{coin}\:\mathrm{when}\:\mathrm{you} \\ $$$$\mathrm{ask}\:\mathrm{a}\:\mathrm{question}\:\mathrm{and}\:\mathrm{speaks}\:\mathrm{truly}\:\mathrm{or}\:\mathrm{falsely} \\ $$$$\mathrm{based}\:\mathrm{on}\:\mathrm{the}\:\mathrm{toss}.\:\mathrm{Also}\:\mathrm{watchman} \\ $$$$\mathrm{gives}\:\mathrm{answer}\:'\mathrm{da}'\:\mathrm{or}\:'\mathrm{ja}'\:\mathrm{one}\:\mathrm{of}\:\mathrm{which}\:\mathrm{means} \\ $$$$\mathrm{yes}\:\left(\mathrm{you}\:\mathrm{don}'\mathrm{t}\:\mathrm{know}\:\mathrm{which}\:\mathrm{one}\:\mathrm{means}\:\mathrm{yes}\right). \\ $$$$…
Question Number 831 by malwaan last updated on 23/Mar/15 $${can}\:{you}\:{solve}\:{the}\:\:{hardest}\:{logic}\:{puzzle}\:{in}\:{the}\:{world} \\ $$ Commented by prakash jain last updated on 24/Mar/15 $$\mathrm{three}\:\mathrm{gods}\:\mathrm{and}\:\mathrm{three}\:\mathrm{questions}? \\ $$ Commented by…