Question Number 7510 by Obenfo last updated on 01/Sep/16 $$\mathrm{Factorise}\:\mathrm{the}\:\mathrm{expression}\:\mathrm{9}{x}^{\mathrm{4}} +\:\frac{\mathrm{1}}{{x}^{\mathrm{4}} }\:+\mathrm{2}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 7489 by Obenfo last updated on 31/Aug/16 $$\mathrm{A}\:\mathrm{pen}\:\mathrm{with}\:\mathrm{a}\:\mathrm{cylindrical}\:\mathrm{barrel}\:\mathrm{of} \\ $$$$\mathrm{diameter}\:\mathrm{2}\:\mathrm{cm}\:\mathrm{and}\:\mathrm{height}\:\mathrm{10}.\mathrm{5}\:\mathrm{cm}, \\ $$$$\mathrm{filled}\:\mathrm{with}\:\mathrm{ink},\:\mathrm{can}\:\mathrm{write}\:\mathrm{3300}\:\mathrm{words}. \\ $$$$\mathrm{How}\:\mathrm{many}\:\mathrm{words}\:\mathrm{can}\:\mathrm{be}\:\mathrm{written}\:\mathrm{with} \\ $$$$\mathrm{that}\:\mathrm{pen}\:\mathrm{using}\:\mathrm{100}\:\mathrm{ml}\:\mathrm{of}\:\mathrm{ink}. \\ $$$$\left(\mathrm{Take}\:\mathrm{1cc}\:=\:\mathrm{1}\:\mathrm{ml}\right) \\ $$ Answered by sandy_suhendra…
Question Number 7488 by Obenfo last updated on 31/Aug/16 $$\mathrm{If}\:\mathrm{A}=\begin{bmatrix}{\mathrm{1}}&{\mathrm{2}}&{\mathrm{3}}\\{\mathrm{6}}&{\mathrm{5}}&{\mathrm{4}}\end{bmatrix}\:,\:\mathrm{then}\:\mathrm{A}^{\mathrm{T}} =\_\_\_\_. \\ $$ Answered by sandy_suhendra last updated on 31/Aug/16 $${A}^{{T}} \:=\:\begin{bmatrix}{\mathrm{1}\:\:\:\:\:\:\mathrm{6}}\\{\mathrm{2}\:\:\:\:\:\:\mathrm{5}}\\{\mathrm{3}\:\:\:\:\:\:\mathrm{4}}\end{bmatrix} \\ $$$$ \\…
Question Number 7487 by Obenfo last updated on 31/Aug/16 $$\mathrm{A}\:\mathrm{person}\:\mathrm{can}\:\mathrm{swim}\:\mathrm{at}\:\mathrm{the}\:\mathrm{rate}\:\mathrm{of}\:\mathrm{5}\:\mathrm{kmph} \\ $$$$\mathrm{upstream}\:\mathrm{and}\:\mathrm{13}\:\mathrm{kmph}\:\mathrm{downstream}. \\ $$$$\mathrm{Find}\:\mathrm{the}\:\mathrm{time}\:\mathrm{taken}\:\mathrm{by}\:\mathrm{the}\:\mathrm{person}\:\mathrm{to}\: \\ $$$$\mathrm{swim}\:\mathrm{10}\:\mathrm{metres}\:\mathrm{in}\:\mathrm{still}\:\mathrm{water}. \\ $$ Answered by prakash jain last updated on…
Question Number 7486 by Obenfo last updated on 31/Aug/16 $$\mathrm{A}\:\mathrm{person}\:\mathrm{can}\:\mathrm{swim}\:\mathrm{at}\:\mathrm{the}\:\mathrm{rate}\:\mathrm{of}\:\mathrm{5}\:\mathrm{kmph} \\ $$$$\mathrm{upstream}\:\mathrm{and}\:\mathrm{13}\:\mathrm{kmph}\:\mathrm{downstream}. \\ $$$$\mathrm{Find}\:\mathrm{the}\:\mathrm{time}\:\mathrm{taken}\:\mathrm{by}\:\mathrm{the}\:\mathrm{person}\:\mathrm{to}\: \\ $$$$\mathrm{swim}\:\mathrm{10}\:\mathrm{metres}\:\mathrm{in}\:\mathrm{still}\:\mathrm{water}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 7485 by Obenfo last updated on 31/Aug/16 $$\mathrm{If}\:\mathrm{A}\:\mathrm{can}\:\mathrm{complete}\:\frac{\mathrm{2}}{\mathrm{5}}\mathrm{th}\:\mathrm{of}\:\mathrm{a}\:\mathrm{work}\:\mathrm{in}\:\mathrm{24} \\ $$$$\mathrm{days}\:\mathrm{and}\:\mathrm{B}\:\mathrm{can}\:\mathrm{complete}\:\frac{\mathrm{1}}{\mathrm{3}}\mathrm{rd}\:\mathrm{of}\:\mathrm{the} \\ $$$$\mathrm{work}\:\mathrm{in}\:\mathrm{30}\:\mathrm{days},\:\mathrm{then}\:\mathrm{in}\:\mathrm{how}\:\mathrm{many}\:\mathrm{days} \\ $$$$\mathrm{can}\:\mathrm{they}\:\mathrm{complete}\:\mathrm{the}\:\mathrm{work}\:\mathrm{if}\:\mathrm{they}\:\mathrm{work} \\ $$$$\mathrm{together}? \\ $$ Answered by sandy_suhendra last updated…
Question Number 7484 by Obenfo last updated on 31/Aug/16 $$\mathrm{The}\:\mathrm{ratio}\:\mathrm{of}\:\mathrm{the}\:\mathrm{rate}\:\mathrm{of}\:\mathrm{doing}\:\mathrm{work}\:\mathrm{for} \\ $$$$\mathrm{a}\:\mathrm{woman}\:\mathrm{and}\:\mathrm{a}\:\mathrm{man}\:\mathrm{is}\:\:\mathrm{2}\::\:\mathrm{1}.\:\:\:\mathrm{6}\:\mathrm{women} \\ $$$$\mathrm{can}\:\mathrm{complete}\:\mathrm{a}\:\mathrm{work}\:\mathrm{in}\:\mathrm{20}\:\mathrm{days}.\:\mathrm{If}\:\mathrm{2}\: \\ $$$$\mathrm{women}\:\mathrm{and}\:\mathrm{6}\:\mathrm{men}\:\mathrm{work}\:\mathrm{together},\:\mathrm{then} \\ $$$$\mathrm{in}\:\mathrm{how}\:\mathrm{many}\:\mathrm{days}\:\mathrm{will}\:\mathrm{they}\:\mathrm{complete}\: \\ $$$$\mathrm{the}\:\mathrm{work}? \\ $$ Answered by sandy_suhendra…
5-men-or-10-women-can-complete-a-work-in-20-days-In-how-many-days-can-3-men-and-4-women-complete-it-
Question Number 7467 by Obenfo last updated on 30/Aug/16 $$\mathrm{5}\:\mathrm{men}\:\mathrm{or}\:\mathrm{10}\:\mathrm{women}\:\mathrm{can}\:\mathrm{complete}\:\mathrm{a}\:\mathrm{work} \\ $$$$\mathrm{in}\:\mathrm{20}\:\mathrm{days}.\:\mathrm{In}\:\mathrm{how}\:\mathrm{many}\:\mathrm{days}\:\mathrm{can}\:\mathrm{3}\:\mathrm{men} \\ $$$$\mathrm{and}\:\mathrm{4}\:\mathrm{women}\:\:\mathrm{complete}\:\mathrm{it}? \\ $$ Commented by FilupSmith last updated on 31/Aug/16 $$\mathrm{attempt}\:−\:\mathrm{unsure}\:\mathrm{if}\:\mathrm{correct}. \\…
Question Number 72830 by Tip Top last updated on 03/Nov/19 $$\mathrm{The}\:\mathrm{value}\:\mathrm{of}\:{x}\:\mathrm{satisfying}\:\mathrm{the}\: \\ $$$$\mathrm{inequalities}\:\frac{\left(\mathrm{2}{x}−\mathrm{1}\right)\left({x}−\mathrm{1}\right)^{\mathrm{4}} \left({x}−\mathrm{2}\right)^{\mathrm{4}} }{\left({x}−\mathrm{2}\right)\left({x}−\mathrm{4}\right)^{\mathrm{4}} }\leqslant\:\mathrm{0} \\ $$ Answered by MJS last updated on 03/Nov/19…
Question Number 72829 by Tip Top last updated on 03/Nov/19 $$\underset{{k}={m}} {\overset{{n}} {\sum}}\:^{{k}} {C}_{{r}} \:\mathrm{equals} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com