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Category: Logic

Question-88690

Question Number 88690 by jagoll last updated on 12/Apr/20 Answered by john santu last updated on 12/Apr/20 $${i}\:{guess}\:{the}\:{pola}\:{in}\:{question} \\ $$$$\left[\:\left(\mathrm{3}+\mathrm{1}\right)×\mathrm{3}\right]^{\mathrm{2}} \:=\:\mathrm{12}^{\mathrm{2}} \:=\:\mathrm{144} \\ $$$$\left[\:\left(\mathrm{4}+\mathrm{1}\right)×\mathrm{4}\:\right]^{\mathrm{3}} \:=\:\mathrm{20}^{\mathrm{3}}…

Question-154194

Question Number 154194 by chinomso last updated on 15/Sep/21 Commented by alisiao last updated on 15/Sep/21 $$\int_{\mathrm{9}} ^{\:\mathrm{11}} \:\frac{\boldsymbol{{y}}+\mathrm{8}}{\boldsymbol{{c}}}\:\boldsymbol{{dy}}\:=\:\mathrm{1}\:\Rightarrow\:\frac{\mathrm{1}}{\boldsymbol{{c}}}\:\int_{\mathrm{9}} ^{\:\mathrm{11}} \:\left(\boldsymbol{{y}}+\mathrm{8}\right)\boldsymbol{{dy}}\:=\mathrm{1} \\ $$$$ \\ $$$$\boldsymbol{{c}}\:=\:\left(\frac{\boldsymbol{{y}}^{\mathrm{2}}…

Le-dernier-jour-d-un-certain-mois-au-cours-de-la-premiere-guerre-mondiale-une-bombe-tombe-sur-la-tombe-d-un-hallebardier-Sachant-que-1-872-269-est-le-produit-de-A-du-jour-du-mois-ou-est-tombee-

Question Number 151777 by Olaf_Thorendsen last updated on 22/Aug/21 $$\mathrm{Le}\:\mathrm{dernier}\:\mathrm{jour}\:\mathrm{d}'\mathrm{un}\:\mathrm{certain}\:\mathrm{mois}\:\mathrm{au}\: \\ $$$$\mathrm{cours}\:\mathrm{de}\:\mathrm{la}\:\mathrm{premiere}\:\mathrm{guerre}\:\mathrm{mondiale}, \\ $$$$\mathrm{une}\:\mathrm{bombe}\:\mathrm{tombe}\:\mathrm{sur}\:\mathrm{la}\:\mathrm{tombe}\:\mathrm{d}'\mathrm{un} \\ $$$$\mathrm{hallebardier}. \\ $$$$ \\ $$$$\mathrm{Sachant}\:\mathrm{que}\:\mathrm{1}.\mathrm{872}.\mathrm{269}\:\mathrm{est}\:\mathrm{le}\:\mathrm{produit} \\ $$$$\mathrm{de}\:: \\ $$$$ \\…

Let-Akbar-and-Birbal-together-have-n-marbles-where-n-gt-0-Akbar-says-to-Birbal-If-I-give-you-some-marbles-then-you-will-have-twice-as-many-marbles-as-I-will-have-Birbal-says-to-Akbar-If-I-gi

Question Number 19516 by Tinkutara last updated on 12/Aug/17 $$\mathrm{Let}\:\mathrm{Akbar}\:\mathrm{and}\:\mathrm{Birbal}\:\mathrm{together}\:\mathrm{have}\:{n} \\ $$$$\mathrm{marbles},\:\mathrm{where}\:{n}\:>\:\mathrm{0}. \\ $$$$\mathrm{Akbar}\:\mathrm{says}\:\mathrm{to}\:\mathrm{Birbal},\:“\mathrm{If}\:\mathrm{I}\:\mathrm{give}\:\mathrm{you}\:\mathrm{some} \\ $$$$\mathrm{marbles}\:\mathrm{then}\:\mathrm{you}\:\mathrm{will}\:\mathrm{have}\:\mathrm{twice}\:\mathrm{as} \\ $$$$\mathrm{many}\:\mathrm{marbles}\:\mathrm{as}\:\mathrm{I}\:\mathrm{will}\:\mathrm{have}.''\:\mathrm{Birbal} \\ $$$$\mathrm{says}\:\mathrm{to}\:\mathrm{Akbar},\:“\mathrm{If}\:\mathrm{I}\:\mathrm{give}\:\mathrm{you}\:\mathrm{some} \\ $$$$\mathrm{marbles}\:\mathrm{then}\:\mathrm{you}\:\mathrm{will}\:\mathrm{have}\:\mathrm{thrice}\:\mathrm{as} \\ $$$$\mathrm{many}\:\mathrm{marbles}\:\mathrm{as}\:\mathrm{I}\:\mathrm{will}\:\mathrm{have}.'' \\…

A-4-4-4-wooden-cube-is-painted-so-that-one-pair-of-opposite-faces-is-blue-one-pair-green-and-one-pair-red-The-cube-is-now-sliced-into-64-cubes-of-side-1-unit-each-i-How-many-of-the-smaller-cubes-

Question Number 18133 by Tinkutara last updated on 15/Jul/17 $$\mathrm{A}\:\mathrm{4}×\mathrm{4}×\mathrm{4}\:\mathrm{wooden}\:\mathrm{cube}\:\mathrm{is}\:\mathrm{painted}\:\mathrm{so} \\ $$$$\mathrm{that}\:\mathrm{one}\:\mathrm{pair}\:\mathrm{of}\:\mathrm{opposite}\:\mathrm{faces}\:\mathrm{is}\:\mathrm{blue}, \\ $$$$\mathrm{one}\:\mathrm{pair}\:\mathrm{green}\:\mathrm{and}\:\mathrm{one}\:\mathrm{pair}\:\mathrm{red}.\:\mathrm{The} \\ $$$$\mathrm{cube}\:\mathrm{is}\:\mathrm{now}\:\mathrm{sliced}\:\mathrm{into}\:\mathrm{64}\:\mathrm{cubes}\:\mathrm{of}\:\mathrm{side} \\ $$$$\mathrm{1}\:\mathrm{unit}\:\mathrm{each}. \\ $$$$\left(\mathrm{i}\right)\:\mathrm{How}\:\mathrm{many}\:\mathrm{of}\:\mathrm{the}\:\mathrm{smaller}\:\mathrm{cubes}\:\mathrm{have} \\ $$$$\mathrm{no}\:\mathrm{painted}\:\mathrm{face}? \\ $$$$\left(\mathrm{ii}\right)\:\mathrm{How}\:\mathrm{many}\:\mathrm{of}\:\mathrm{the}\:\mathrm{smaller}\:\mathrm{cubes}\:\mathrm{have} \\…

A-lotus-plant-in-a-pool-of-water-is-1-2-cubit-above-water-level-When-propelled-by-air-the-lotus-sinks-in-the-pool-2-cubits-away-from-its-position-Find-the-depth-of-water-in-the-pool-

Question Number 17729 by Tinkutara last updated on 09/Jul/17 $$\mathrm{A}\:\mathrm{lotus}\:\mathrm{plant}\:\mathrm{in}\:\mathrm{a}\:\mathrm{pool}\:\mathrm{of}\:\mathrm{water}\:\mathrm{is}\:\frac{\mathrm{1}}{\mathrm{2}} \\ $$$$\mathrm{cubit}\:\mathrm{above}\:\mathrm{water}\:\mathrm{level}.\:\mathrm{When} \\ $$$$\mathrm{propelled}\:\mathrm{by}\:\mathrm{air},\:\mathrm{the}\:\mathrm{lotus}\:\mathrm{sinks}\:\mathrm{in}\:\mathrm{the} \\ $$$$\mathrm{pool}\:\mathrm{2}\:\mathrm{cubits}\:\mathrm{away}\:\mathrm{from}\:\mathrm{its}\:\mathrm{position}. \\ $$$$\mathrm{Find}\:\mathrm{the}\:\mathrm{depth}\:\mathrm{of}\:\mathrm{water}\:\mathrm{in}\:\mathrm{the}\:\mathrm{pool}. \\ $$ Commented by alex041103 last updated…

The-accompanying-diagram-is-a-road-plan-of-a-city-All-the-roads-go-east-west-or-north-south-with-the-exception-of-one-shown-Due-to-repairs-one-road-is-impassable-at-the-point-X-Of-all-the-possib

Question Number 17612 by Tinkutara last updated on 08/Jul/17 $$\mathrm{The}\:\mathrm{accompanying}\:\mathrm{diagram}\:\mathrm{is}\:\mathrm{a}\:\mathrm{road}- \\ $$$$\mathrm{plan}\:\mathrm{of}\:\mathrm{a}\:\mathrm{city}.\:\mathrm{All}\:\mathrm{the}\:\mathrm{roads}\:\mathrm{go}\:\mathrm{east}- \\ $$$$\mathrm{west}\:\mathrm{or}\:\mathrm{north}-\mathrm{south},\:\mathrm{with}\:\mathrm{the} \\ $$$$\mathrm{exception}\:\mathrm{of}\:\mathrm{one}\:\mathrm{shown}.\:\mathrm{Due}\:\mathrm{to}\:\mathrm{repairs} \\ $$$$\mathrm{one}\:\mathrm{road}\:\mathrm{is}\:\mathrm{impassable}\:\mathrm{at}\:\mathrm{the}\:\mathrm{point}\:\mathrm{X}, \\ $$$$\mathrm{Of}\:\mathrm{all}\:\mathrm{the}\:\mathrm{possible}\:\mathrm{routes}\:\mathrm{from}\:\mathrm{P}\:\mathrm{to}\:\mathrm{Q}, \\ $$$$\mathrm{there}\:\mathrm{are}\:\mathrm{several}\:\mathrm{shortest}\:\mathrm{routes}.\:\mathrm{How} \\ $$$$\mathrm{many}\:\mathrm{such}\:\mathrm{shortest}\:\mathrm{routes}\:\mathrm{are}\:\mathrm{there}? \\…

The-base-of-a-pyramid-is-an-equilateral-triangle-of-side-length-6-cm-The-other-edges-of-the-pyramid-are-each-of-length-15-cm-Find-the-volume-of-the-pyramid-

Question Number 17169 by Tinkutara last updated on 01/Jul/17 $$\mathrm{The}\:\mathrm{base}\:\mathrm{of}\:\mathrm{a}\:\mathrm{pyramid}\:\mathrm{is}\:\mathrm{an}\:\mathrm{equilateral} \\ $$$$\mathrm{triangle}\:\mathrm{of}\:\mathrm{side}\:\mathrm{length}\:\mathrm{6}\:\mathrm{cm}.\:\mathrm{The}\:\mathrm{other} \\ $$$$\mathrm{edges}\:\mathrm{of}\:\mathrm{the}\:\mathrm{pyramid}\:\mathrm{are}\:\mathrm{each}\:\mathrm{of}\:\mathrm{length} \\ $$$$\sqrt{\mathrm{15}}\:\mathrm{cm}.\:\mathrm{Find}\:\mathrm{the}\:\mathrm{volume}\:\mathrm{of}\:\mathrm{the}\:\mathrm{pyramid}. \\ $$ Answered by ajfour last updated on 02/Jul/17…