Question Number 7705 by Obenfo last updated on 10/Sep/16 $$\mathrm{A}\:\mathrm{and}\:\mathrm{B}\:\mathrm{can}\:\mathrm{do}\:\mathrm{a}\:\mathrm{work}\:\mathrm{in}\:\mathrm{12}\:\mathrm{days}\:\mathrm{and} \\ $$$$\mathrm{17}\:\mathrm{days}\:\mathrm{respectively}\:\mathrm{and}\:\mathrm{with}\:\mathrm{the}\:\mathrm{help} \\ $$$$\mathrm{of}\:\mathrm{C}\:\mathrm{they}\:\mathrm{complete}\:\mathrm{the}\:\mathrm{work}\:\mathrm{in}\:\mathrm{5}\:\mathrm{days} \\ $$$$\mathrm{and}\:\mathrm{earn}\:\mathrm{Rs}.\:\mathrm{238}.\:\mathrm{Find}\:\mathrm{the}\:\mathrm{share}\:\mathrm{of}\:\mathrm{B}. \\ $$ Answered by Rasheed Soomro last updated on…
Question Number 7526 by Little last updated on 02/Sep/16 $$\mathrm{If}\:{a},\:{b},\:{c}\:\mathrm{are}\:\mathrm{in}\:\mathrm{AP}\:\mathrm{then}\:\frac{{a}}{{bc}}\:,\:\frac{\mathrm{1}}{{c}}\:,\:\frac{\mathrm{2}}{{b}}\:\mathrm{are}\:\mathrm{in} \\ $$ Answered by Rasheed Soomro last updated on 04/Sep/16 $${a},{b},{c}\:\:{are}\:{in}\:{AP}\Rightarrow{b}=\frac{{a}+{c}}{\mathrm{2}} \\ $$$$\:\frac{{a}}{{bc}}\:,\:\frac{\mathrm{1}}{{c}}\:,\:\frac{\mathrm{2}}{{b}} \\ $$$$\:\frac{{a}}{\left(\frac{{a}+{c}}{\mathrm{2}}\right){c}}\:,\:\frac{\mathrm{1}}{{c}}\:,\:\frac{\mathrm{2}}{\frac{{a}+{c}}{\mathrm{2}}}…
The-sum-of-the-squares-of-three-distinct-real-numbers-which-are-in-GP-is-S-2-If-their-sum-is-S-then-
Question Number 7525 by Little last updated on 02/Sep/16 $$\mathrm{The}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{the}\:\mathrm{squares}\:\mathrm{of}\:\mathrm{three}\:\mathrm{distinct} \\ $$$$\mathrm{real}\:\mathrm{numbers}\:\mathrm{which}\:\mathrm{are}\:\mathrm{in}\:\mathrm{GP}\:\mathrm{is}\:{S}^{\mathrm{2}} .\:\mathrm{If} \\ $$$$\mathrm{their}\:\mathrm{sum}\:\mathrm{is}\:\alpha\:{S},\:\mathrm{then} \\ $$ Commented by Rasheed Soomro last updated on 04/Sep/16…
Question Number 7524 by Little last updated on 02/Sep/16 $$\mathrm{If}\:\:{a},\:{b},\:{c}\:\:\mathrm{are}\:\mathrm{in}\:\mathrm{AP};\:\:{b},\:{c},\:{d}\:\:\mathrm{are}\:\mathrm{in}\:\mathrm{GP}\:\mathrm{and} \\ $$$${c},\:{d},\:{e}\:\:\mathrm{are}\:\mathrm{in}\:\mathrm{HP},\:\mathrm{then}\:{a},\:{c},\:{e}\:\mathrm{are}\:\mathrm{in} \\ $$ Commented by Rasheed Soomro last updated on 02/Sep/16 $${Complete}\:{Answer} \\ $$$$\mathrm{If}\:\:{a},\:{b},\:{c}\:\:\mathrm{are}\:\mathrm{in}\:\mathrm{AP};\:\:{b},\:{c},\:{d}\:\:\mathrm{are}\:\mathrm{in}\:\mathrm{GP}\:\mathrm{and}…
Question Number 7523 by Little last updated on 02/Sep/16 $$\mathrm{If}\:\:{a},\:{b},\:{c}\:\:\mathrm{are}\:\mathrm{in}\:\mathrm{AP};\:\:{b},\:{c},\:{d}\:\:\mathrm{are}\:\mathrm{in}\:\mathrm{GP}\:\mathrm{and} \\ $$$${c},\:{d},\:{e}\:\:\mathrm{are}\:\mathrm{in}\:\mathrm{HP},\:\mathrm{then}\:{a},\:{c},\:{e}\:\mathrm{are}\:\mathrm{in} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 7522 by Little last updated on 02/Sep/16 $$\mathrm{If}\:\:{n}\:\mathrm{Arithmetic}\:\mathrm{means}\:\mathrm{are}\:\mathrm{inserted}\:\mathrm{between} \\ $$$$\mathrm{two}\:\mathrm{quantities}\:{a}\:\mathrm{and}\:{b},\:\mathrm{then}\:\mathrm{their}\:\mathrm{sum}\:\mathrm{is} \\ $$$$\mathrm{equal}\:\mathrm{to} \\ $$ Commented by sandy_suhendra last updated on 02/Sep/16 $$\frac{{n}+\mathrm{2}}{\mathrm{2}}\:\left({a}+{b}\right) \\…
Question Number 7511 by Obenfo last updated on 01/Sep/16 $$\mathrm{Factorise}\:\mathrm{the}\:\mathrm{expression}\:\mathrm{9}{x}^{\mathrm{4}} +\:\frac{\mathrm{1}}{{x}^{\mathrm{4}} }\:+\mathrm{2}. \\ $$ Answered by sandy_suhendra last updated on 01/Sep/16 $${because}\:\left(\mathrm{3}{x}^{\mathrm{2}} +\frac{\mathrm{1}}{{x}^{\mathrm{2}} }\right)^{\mathrm{2}} =\:\mathrm{9}{x}^{\mathrm{4}}…
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 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…