Question

Why are percentage increases and decreases not equal?

score 1.3k · Answer 1 · 2026-03-27 21:17:54

1.3k

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Why are percentage increases and decreases not equal?

Published on 27 Mar 2026 - 21:17

score 133 · Answer 2 · 2020-04-08 19:24:40

133

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Is there a general theory about repetition of the same operator?

Published on 08 Apr 2020 - 19:24

score 63 · Answer 3 · 2026-03-29 15:03:46

63

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Is this a new method of finding a square of any number?

Published on 29 Mar 2026 - 15:03

score 335 · Answer 4 · 2026-03-27 23:30:04

335

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Proving Vector Space Axioms

Published on 27 Mar 2026 - 23:30

score 76 · Answer 5 · 2020-04-11 00:23:07

76

Views

Why ZZ = (10×Z)+Z when Z = 4

Published on 11 Apr 2020 - 0:23

score 51 · Answer 6 · 2020-04-11 18:16:40

51

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I cant understand solution of $a^2 + b^2 = 2020$ and $LCM(a,b)=336$

Published on 11 Apr 2020 - 18:16

score 48 · Answer 7 · 2026-03-27 18:27:36

48

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Can " multiplicative inverse of $\frac nm = \frac mn$" be obtained directly from the definition of multiplicative inverse: " inverse of $n=\frac 1n$"?

Published on 27 Mar 2026 - 18:27

score 187 · Answer 8 · 2026-03-27 10:44:48

187

Views

Solving the cryptarithm "THE+BEST+SYSTEM=METRIC"

Published on 27 Mar 2026 - 10:44

score 304 · Answer 9 · 2020-04-12 02:18:55

304

Views

Is there a trick for adding and subtracting binomial coefficients?

Published on 12 Apr 2020 - 2:18

score 111 · Answer 10 · 2020-04-12 05:19:19

111

Views

Integer sequence $(u_n)$ satisfying $(an+b)u_{n+1}=(cn+d)u_n$

Published on 12 Apr 2020 - 5:19

score 42 · Answer 11 · 2026-03-27 07:31:12

42

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If $p^\text{th}$ term of an AP is $q$ and $q^\text{th}$ term of the AP is $p$, find its $r^\text{th}$ term.

Published on 27 Mar 2026 - 7:31

score 130 · Answer 12 · 2026-04-01 23:53:29

130

Views

All Possible Polynomials With Max Degree 2 in GF(3)

Published on 01 Apr 2026 - 23:53

score 178 · Answer 13 · 2020-04-13 00:50:12

178

Views

Infinitely tetrating zero?

Published on 13 Apr 2020 - 0:50

score 32 · Answer 14 · 2026-03-31 11:01:39

32

Views

Sequence to N has the same condition holding in the binary format regardless of how many times we subdivide the sequence

Published on 31 Mar 2026 - 11:01

score 153 · Answer 15 · 2026-03-28 20:14:13

153

Views

$3^n$ does not divide $8^n+1$ for $n\geq 4$

Published on 28 Mar 2026 - 20:14

List Question

Why are percentage increases and decreases not equal?

Is there a general theory about repetition of the same operator?

Is this a new method of finding a square of any number?

Proving Vector Space Axioms

Why ZZ = (10×Z)+Z when Z = 4

I cant understand solution of $a^2 + b^2 = 2020$ and $LCM(a,b)=336$

Can " multiplicative inverse of $\frac nm = \frac mn$" be obtained directly from the definition of multiplicative inverse: " inverse of $n=\frac 1n$"?

Solving the cryptarithm "THE+BEST+SYSTEM=METRIC"

Is there a trick for adding and subtracting binomial coefficients?

Integer sequence $(u_n)$ satisfying $(an+b)u_{n+1}=(cn+d)u_n$

If $p^\text{th}$ term of an AP is $q$ and $q^\text{th}$ term of the AP is $p$, find its $r^\text{th}$ term.

All Possible Polynomials With Max Degree 2 in GF(3)

Infinitely tetrating zero?

Sequence to N has the same condition holding in the binary format regardless of how many times we subdivide the sequence

$3^n$ does not divide $8^n+1$ for $n\geq 4$

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