List questions from arithmetic

Published on 19 Jun 2014 - 9:10

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Help with a summatory.

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Is $ 5 $ nearer to $ 0 $ or $ 10 $?

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A man invests an amount of $ ₹ 15860 $ in the names of his three sons A, B & C in such a way that they get the same interest..

Published on 19 Jun 2014 - 15:54

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Solve equation with $x$ in the exponents

Published on 19 Jun 2014 - 22:57

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$n \in \mathbb{N} \ 5|\ 2^{2n+1}+3^{2n+1}$

Published on 30 Mar 2026 - 23:14

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Really Simple Re Weighting Question

Published on 20 Jun 2014 - 17:55

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$\forall \ n \in \mathbb{N}: 6\mid 5n^3+n$

Published on 20 Jun 2014 - 21:38

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Prove that $2+2=4$.

Published on 21 Jun 2014 - 5:39

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$ 7\mid x \text{ and } 7\mid y \Longleftrightarrow 7\mid x^2+y^2 $

Published on 26 Mar 2026 - 23:09

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How to obtain this upper bound on the summation from this inequality?

Published on 22 Jun 2014 - 15:05

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Daily exercises to speed up my mental calculations?

Published on 25 Mar 2026 - 17:39

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$\left(\sqrt{8}+\sqrt{2}\right)^2$ = 18 why??

Published on 23 Jun 2014 - 9:32

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How to derive these inequalities?

Published on 23 Jun 2014 - 10:01

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How to derive this inequality?

Published on 27 Mar 2026 - 13:46

List Question

Doubt about the domain of functions with odd roots.

Help with a summatory.

Is $ 5 $ nearer to $ 0 $ or $ 10 $?

A man invests an amount of $ ₹ 15860 $ in the names of his three sons A, B & C in such a way that they get the same interest..

Solve equation with $x$ in the exponents

$n \in \mathbb{N} \ 5|\ 2^{2n+1}+3^{2n+1}$

Really Simple Re Weighting Question

$\forall \ n \in \mathbb{N}: 6\mid 5n^3+n$

Prove that $2+2=4$.

$ 7\mid x \text{ and } 7\mid y \Longleftrightarrow 7\mid x^2+y^2 $

How to obtain this upper bound on the summation from this inequality?

Daily exercises to speed up my mental calculations?

$\left(\sqrt{8}+\sqrt{2}\right)^2$ = 18 why??

How to derive these inequalities?

How to derive this inequality?

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