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Category: Arithmetic

1-Find-the-principal-if-its-interest-in-3month-with-5-1-2-per-amount-is-Rs-66-2-The-length-of-arectangular-room-is-double-of-its-breadth-and-height-is-one-third-of-the-length-If-the-room-cont

Question Number 99829 by Mr.D.N. last updated on 23/Jun/20 $$\:\mathrm{1}.\mathrm{Find}\:\mathrm{the}\:\mathrm{principal}\:\mathrm{if}\:\mathrm{its}\:\mathrm{interest}\:\mathrm{in}\:\mathrm{3month}\:\mathrm{with}\:\mathrm{5}\frac{\mathrm{1}}{\mathrm{2}}\%\:\mathrm{per}\:\mathrm{amount}\:\mathrm{is}\:\mathrm{Rs}.\mathrm{66}. \\ $$$$\:\mathrm{2}.\:\mathrm{The}\:\mathrm{length}\:\mathrm{of}\:\mathrm{arectangular}\:\mathrm{room}\:\mathrm{is}\:\mathrm{double}\:\mathrm{of}\:\mathrm{its}\:\mathrm{breadth}\:\mathrm{and} \\ $$$$\:\:\mathrm{height}\:\mathrm{is}\:\mathrm{one}\:\mathrm{third}\:\mathrm{of}\:\mathrm{the}\:\mathrm{length}.\:\mathrm{If}\:\mathrm{the}\:\mathrm{room}\:\mathrm{contains}\:\mathrm{972}\:\mathrm{cubic}\:\mathrm{meter}\:\mathrm{of}\:\mathrm{air}, \\ $$$$\:\mathrm{find}\:\mathrm{the}\:\mathrm{area}\:\mathrm{of}\:\mathrm{floor}\:\mathrm{of}\:\mathrm{the}\:\mathrm{room}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

How-many-terms-in-the-geometric-progression-1-1-1-1-21-1-331-will-be-needed-so-that-the-sum-of-the-first-n-terms-is-greather-than-20-

Question Number 99603 by bemath last updated on 22/Jun/20 $$\mathrm{How}\:\mathrm{many}\:\mathrm{terms}\:\mathrm{in}\:\mathrm{the}\:\mathrm{geometric} \\ $$$$\mathrm{progression}\:\mathrm{1},\:\mathrm{1}.\mathrm{1},\:\mathrm{1}.\mathrm{21},\mathrm{1}.\mathrm{331},… \\ $$$$\mathrm{will}\:\mathrm{be}\:\mathrm{needed}\:\mathrm{so}\:\mathrm{that}\:\mathrm{the}\:\mathrm{sum}\:\mathrm{of} \\ $$$$\mathrm{the}\:\mathrm{first}\:{n}\:\mathrm{terms}\:\mathrm{is}\:\mathrm{greather}\:\mathrm{than}\:\mathrm{20}? \\ $$ Commented by john santu last updated on…

Suppose-your-weight-is-50kg-and-you-are-taking-rest-what-is-the-de-brogli-wavelength-associated-by-you-Respect-to-the-universal-system-suppose-another-one-who-is-calculating-your-wavelength-is-on

Question Number 99537 by Dwaipayan Shikari last updated on 21/Jun/20 $$\mathrm{Suppose}\:\mathrm{your}\:\mathrm{weight}\:\mathrm{is}\:\mathrm{50kg}\:\mathrm{and}\:\mathrm{you}\:\mathrm{are}\:\mathrm{taking}\:\mathrm{rest}. \\ $$$$\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{de}-{brogli}\:\mathrm{wavelength}\:\mathrm{associated}\:\mathrm{by}\:\mathrm{you}. \\ $$$$\left(\mathrm{Respect}\:\mathrm{to}\:\mathrm{the}\:\mathrm{universal}\:\mathrm{system}\right)\left[\mathrm{suppose}\:\mathrm{another}\:\mathrm{one}\:\mathrm{who}\:\mathrm{is}\:\right. \\ $$$$\left.\mathrm{calculating}\:\mathrm{your}\:\mathrm{wavelength}\:\mathrm{is}\:\mathrm{on}\:\mathrm{space}\right] \\ $$ Answered by smridha last updated on…

prove-that-k-1-2k-r-0-k-1-r-k-r-1-k-

Question Number 164555 by mnjuly1970 last updated on 18/Jan/22 $$ \\ $$$$\:\:\:{prove}\:\:{that} \\ $$$$\: \\ $$$$\:\:\:\:\:\:\left(\underset{\:{k}−\mathrm{1}} {\overset{\mathrm{2}{k}} {\:}}\:\right)\:\overset{?} {=}\:\underset{{r}=\mathrm{0}} {\overset{{k}−\mathrm{1}} {\sum}}\:\left(\:\underset{\:{r}} {\overset{\:{k}} {\:}}\:\:\:\right)\:\overset{\:\:} {\left(}\underset{\:{r}+\mathrm{1}} {\overset{\:\:{k}}…