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Question-113490

Question Number 113490 by AbhishekBasnet last updated on 13/Sep/20 Commented by som(math1967) last updated on 13/Sep/20 $$\mathrm{Ratio}\:\mathrm{of}\:\mathrm{capitals} \\ $$$$\mathrm{5700}:\mathrm{6000}:\mathrm{6900} \\ $$$$=\mathrm{19}:\mathrm{20}:\mathrm{23} \\ $$$$\mathrm{Interest}\:\mathrm{paid} \\ $$$$\left(\mathrm{5700}+\mathrm{6000}+\mathrm{6900}\right)×\frac{\mathrm{5}}{\mathrm{100}}…

Question-113455

Question Number 113455 by AbhishekBasnet last updated on 13/Sep/20 Commented by som(math1967) last updated on 13/Sep/20 $$\mathrm{Number}\:\mathrm{of}\:\mathrm{one}\:\mathrm{kind}\:\mathrm{x}\:\mathrm{and} \\ $$$$\mathrm{other}\:\mathrm{kind}\:\mathrm{y} \\ $$$$\mathrm{x}\geqslant\mathrm{0},\mathrm{y}\geqslant\mathrm{0} \\ $$$$\mathrm{150x}+\mathrm{75y}\leqslant\mathrm{1500} \\ $$$$\mathrm{50x}+\mathrm{75y}\leqslant\mathrm{600}…

n-0-2-n-1-3-n-2-4-n-3-5-n-

Question Number 113354 by Dwaipayan Shikari last updated on 12/Sep/20 $$\frac{\begin{pmatrix}{{n}}\\{\mathrm{0}}\end{pmatrix}}{\mathrm{2}}−\frac{\begin{pmatrix}{{n}}\\{\mathrm{1}}\end{pmatrix}}{\mathrm{3}}+\frac{\begin{pmatrix}{{n}}\\{\mathrm{2}}\end{pmatrix}}{\mathrm{4}}−\frac{\begin{pmatrix}{{n}}\\{\mathrm{3}}\end{pmatrix}}{\mathrm{5}}+…..{n} \\ $$ Commented by mr W last updated on 13/Sep/20 $$\left(\mathrm{1}−{x}\right)^{{n}} =\underset{{k}=\mathrm{0}} {\overset{{n}} {\sum}}{C}_{{k}}…

Question-47817

Question Number 47817 by tanmay.chaudhury50@gmail.com last updated on 15/Nov/18 Commented by tanmay.chaudhury50@gmail.com last updated on 15/Nov/18 $${same}\:{questions}\:{as}\:{asked}\:{in}\:{Q}.{No}−\mathrm{47815} \\ $$$${fig}\left({a}\right){accelarated}/{deaccelarated} \\ $$$${fig}\left({b}\right){accelarated}/{deaccelarated} \\ $$$${fig}\left({a}\right){particle}\:{moving}\:{twards}\:{origin}/{or}\:{away} \\ $$$${fig}\left({b}\right){particle}\:{movinv}\:{towards}\:{origin}/{away}…

Question-47815

Question Number 47815 by tanmay.chaudhury50@gmail.com last updated on 15/Nov/18 Commented by tanmay.chaudhury50@gmail.com last updated on 15/Nov/18 $${basic}\:{question} \\ $$$$\left.\mathrm{1}\right){fig}\:{a}\:\:{is}\:{it}\:{accelarated}\:{or}\:{deaccelarated}\:{motion} \\ $$$$\left.\mathrm{2}\right){fig}\:{b}\:{accelarated}/{deaccelarated}\:{motion} \\ $$$$\left.\mathrm{3}\right){fig}\left({a}\right)\:{particle}\:{moving}\:{towards}\:{origin}\:{or}\:{away} \\ $$$$\left.\mathrm{4}\right){fig}\:{b}\:{particle}\:{moving}\:{towards}\:{origin}\:{or}\:{away}…

Question-178875

Question Number 178875 by Tawa11 last updated on 22/Oct/22 Commented by mr W last updated on 22/Oct/22 $${F}_{{average}} =\frac{{mv}^{\mathrm{2}} }{\mathrm{2}{s}}=\frac{\mathrm{0}.\mathrm{05}×\mathrm{44}^{\mathrm{2}} }{\mathrm{2}×\mathrm{0}.\mathrm{04}}=\mathrm{1210}{N} \\ $$$$\Rightarrow{C} \\ $$…

An-object-starts-from-rest-and-moves-with-a-velocity-of-3i-4j-ms-1-It-covers-a-distance-of-400km-Find-a-its-acceleration-b-the-time-taken-to-cover-the-distance-400km-

Question Number 47801 by Rio Michael last updated on 14/Nov/18 $${An}\:{object}\:{starts}\:{from}\:{rest}\:{and}\:{moves}\:{with}\:{a}\:{velocity}\:{of}\: \\ $$$$\left(\mathrm{3}{i}+\mathrm{4}{j}\right){ms}^{−\mathrm{1}} .\:{It}\:{covers}\:{a}\:{distance}\:{of}\:\mathrm{400}{km}.{Find}\: \\ $$$$\left.{a}\right)\:{its}\:{acceleration} \\ $$$$\left.{b}\right)\:{the}\:{time}\:{taken}\:{to}\:{cover}\:{the}\:{distance}\:\mathrm{400}{km}. \\ $$ Answered by mr W last…