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2023

A Fun SAT Problem on Quadratic Equation (solution using elimination)original ↗
24 Mar 2023
Equation of Tangent (Polar Coordinate) AP Calculus, Calculus 2original ↗
24 Mar 2023
Length of the curve (Parametric Function), AP Calculus, Calculus 2original ↗
24 Mar 2023
Velocity and Distance Parametric Equation (AP Calculus, Calculus 2)original ↗
24 Mar 2023
Area inside r = 2cos(2theta) and outside r=1 (AP Calculus BC, Calculus 2)original ↗
24 Mar 2023
Some AP Calculus Limitsoriginal ↗
24 Mar 2023
IB SL Chocolate Muffins and Banana Muffinsoriginal ↗
22 Mar 2023
Find P(B) when (AUB)’=Phi, P(A)=6/7 and P(A’|B)=1/3original ↗
22 Mar 2023
Event 1, Event 2 Probability lettersoriginal ↗
22 Mar 2023
Independence and Mutually Exclusive Eventsoriginal ↗
22 Mar 2023
Distance, Eccentricity, Diameter and Radius in a Graphoriginal ↗
21 Mar 2023
Percent Area of inner loop out of Outer loop in Limacon (AP Calculus BC, Calculus 2)original ↗
21 Mar 2023
Area of polar function r=1/(1+theta) between pi/4 and pi/2original ↗
21 Mar 2023
Area between r=3+3sin(theta) and outside r=3original ↗
21 Mar 2023
Area of Limacon (AP Calculus BC)original ↗
21 Mar 2023
IB Normal Distribution Question (Without Calculator)original ↗
20 Mar 2023
Q7 of 37th Math and Logic Games Quebec (Lucas Mosaic)original ↗
20 Mar 2023
IB HL Normal Distribution with Baye’s Theoremoriginal ↗
19 Mar 2023
Q8 of 37th Math and Logic Games Quebec (Flipped Numbers)original ↗
19 Mar 2023
Q14 of 30th Math and Logic Games Quebec (The two primes)original ↗
18 Mar 2023
IB SL Paper 1 November 2021 (Detailed Solutions)original ↗
18 Mar 2023
Q15 of 30th Math and Logic Games Quebec (Three Prime Numbers)original ↗
18 Mar 2023
Q13 of 30th Math and Logic Games Quebec (The modified Rectangle)original ↗
18 Mar 2023
Q9 of 30th Math and Logic Games Quebec (Sebastien’s Number)original ↗
18 Mar 2023
Finding the area of inner loop using polar coordinatesoriginal ↗
18 Mar 2023
SAT Question on Similar Triangles and Areaoriginal ↗
15 Mar 2023
Q7 of 30th Math and Logic Games Quebec (Route to school)original ↗
12 Mar 2023
Q3 of 30th Math and Logic Games Quebec (Route to school)original ↗
12 Mar 2023
Q1 of 30th Math and Logic Games Quebec (Andree’s Building)original ↗
12 Mar 2023
Q2 Q15 of 30th Math and Logic Games Quebec (Consecutive even numbers)original ↗
12 Mar 2023
Q15 of 35th Math and Logic Games Quebec (Robot moving in a spiral)original ↗
12 Mar 2023
IB SL Paper 1 2021 Question 9 on Probability Distribution of two dice and Expectationoriginal ↗
10 Mar 2023
IB SL May 2021 Paper 1 (Detailed Solutions)original ↗
10 Mar 2023
IB SL Differentiation, Max Min and Intersection of Tangents and Normalsoriginal ↗
10 Mar 2023
IB SL Not the standard 3-4-5 triangleoriginal ↗
10 Mar 2023
IB SL Question on Bearingsoriginal ↗
10 Mar 2023
SAT Question on similar triangles and difference of areasoriginal ↗
9 Mar 2023
Changing the perspective. SAT question on Areas and ratiosoriginal ↗
9 Mar 2023
IB SL Trigonometry function, horizontal and vertical translationoriginal ↗
9 Mar 2023
IB SL Paper 2 A standard question on Normal distribution with conditional probabilityoriginal ↗
9 Mar 2023
IB SL A circular pond with radius 0.8 m contains 16 lily pads. The diagram shows the shape of each lily pad as part of a circle with center O and radius 5 cm.original ↗
9 Mar 2023
IB SL 2019 Question 10 on Trigonometry with Sequence and Seriesoriginal ↗
9 Mar 2023
IB SL 2019 Question 9 Paper 1 on Normal Distributionoriginal ↗
9 Mar 2023
IB SL Find the least positive value of x for which cos(x/2+pi/3) =1/sqrt(2)original ↗
9 Mar 2023
IB SL Transformation of Trig Functionoriginal ↗
9 Mar 2023
IB SL Trigonometry Ambiguous Case Minimize Perimeter of a Triangleoriginal ↗
9 Mar 2023
Among first 2n numbers if n+1 are chosen then there exists two numbers where smaller divides the largeroriginal ↗
8 Mar 2023
IB SL Math Probability & Statistics Q8 Paper 2, 2016original ↗
6 Mar 2023
IB SL Question 10 on Calculusoriginal ↗
6 Mar 2023
F(S,T)-F(T,S) as double summation in flow networkoriginal ↗
6 Mar 2023
Q5 of 35th Math and Logic Games Quebec (Sharing the Tablet)original ↗
5 Mar 2023
Q3 of 35th Math and Logic Games Quebec (Labyrinth Coins)original ↗
5 Mar 2023
Question 1, 2023 Integration Bee MIT Qualifyingoriginal ↗
5 Mar 2023
Question 3, 2023 Integration Bee MIT Qualifyingoriginal ↗
5 Mar 2023
Question 9, 2023 Integration Bee MIT Qualifyingoriginal ↗
5 Mar 2023
Q2 of 35th Math and Logic Games Quebec (Throwing Darts)original ↗
5 Mar 2023
Q7 of 35th Math and Logic Games Quebec (Following Numbers)original ↗
5 Mar 2023
Augmenting path graphoriginal ↗
3 Mar 2023
A Maximal Flow with a Min Cut Exampleoriginal ↗
3 Mar 2023
Flow and 2 different cuts on a same networkoriginal ↗
3 Mar 2023
Flow and Cutoriginal ↗
3 Mar 2023
Effect of scaling every data by a constant ‘a’ on mean, standard deviation and varianceoriginal ↗
2 Mar 2023
Ambiguous IQR (Inter Quartile range)original ↗
2 Mar 2023
Solving equations when conditions are given based on mean, median, range, modeoriginal ↗
1 Mar 2023
Problem Solving: When mean,standard deviation and variance are scaled and shiftedoriginal ↗
1 Mar 2023
IB SL Math 2016 Paper 2 (Completely Solved)original ↗
1 Mar 2023
Ford Fulkersonoriginal ↗
28 Feb 2023
Max Flow Min Cutsoriginal ↗
28 Feb 2023
Augmented Pathsoriginal ↗
28 Feb 2023
Edge and Vertex Inequality for Planar Graphsoriginal ↗
28 Feb 2023
IB HL MATH Paper 3 (Polygonal numbers, Triangle, Square, Pentagonal, nth numbers)original ↗
28 Feb 2023
IB HL MATH Paper 3 (Recursive function of sin^n(x)original ↗
28 Feb 2023
Lemma: Every planar graph has at least one vertex of degree 5 or lessoriginal ↗
28 Feb 2023
Inequality about min,avg and max degrees of a graphoriginal ↗
28 Feb 2023
Cubic Graph and its diameteroriginal ↗
28 Feb 2023
Petersen graph and its diameteroriginal ↗
28 Feb 2023
Handshaking Lemma 2original ↗
28 Feb 2023
Handshaking lemma 1original ↗
28 Feb 2023
Why 4 regular graph with 15 vertices is not bipartite.original ↗
24 Feb 2023
IB SL May Paper 2, 2021 (Detail Solutions)original ↗
24 Feb 2023
Convert the following polar equations to Cartesian equations (AP Calculus BC)original ↗
24 Feb 2023
Horizontal and Vertical lines in Polar Coordinatesoriginal ↗
24 Feb 2023
Area between Polar Curvesoriginal ↗
24 Feb 2023
Is there a relation between minimum degree and graph being connected ?original ↗
21 Feb 2023
Relation among min, average and max degree of a graphoriginal ↗
21 Feb 2023
Expectation and Variance of Poisson Distributionoriginal ↗
21 Feb 2023
Connected graph deg(a)+deg(b)>=n-1original ↗
21 Feb 2023
IB HL Probability (Two bags problem)original ↗
20 Feb 2023
IB HL Paper 3 Polynomials of even degreeoriginal ↗
20 Feb 2023
Pdf of rolling two diceoriginal ↗
20 Feb 2023
IB SL Translation, Scaling and Binomial Theoremoriginal ↗
19 Feb 2023
CPCTC application for middle school geometryoriginal ↗
19 Feb 2023
IB HL Probability Distribution question on Bag A and Bag Boriginal ↗
18 Feb 2023
IB SL AA Paper 2(Mock Exam, Complete solutions)original ↗
18 Feb 2023
IB SL AA Paper 1(Mock Exam, Complete solutions)original ↗
17 Feb 2023
Why the product of k positive integers is divisible by k! ?original ↗
17 Feb 2023
Why SSA (or ASS) gives ambiguous case when angle is acute ?original ↗
17 Feb 2023
Universiteit Van Amsterdam 2018 Question 1 on Statistics formula on square of distance from the meanoriginal ↗
16 Feb 2023
Universiteit Van Amsterdam 2018 Question 3 on Probability about 5 Scientist going to 8 different conferencesoriginal ↗
16 Feb 2023
Combinatorial problem about using letters A to Z when repetition is allowedoriginal ↗
15 Feb 2023
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