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July 22, 2022
Meet Mrinalini & Sharanyaa - Young Math Enthusiasts

Being in grade 4, Mrinalini and Sharanyaa, have developed keen interest in Mathematics, such that they work with the students of Grade 4 and 5 from SSN, Sundarbans.

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July 15, 2022
How Avishek Hazra cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Avishek Hazra who got into the CMI Entrance 2022.

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July 13, 2022
How John Tom cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from John Tom who got into the CMI Entrance 2022.

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July 11, 2022
How Dwitimaya Sahoo cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Dwitimaya Sahoo who got into the CMI Entrance 2022.

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July 7, 2022
How Mayur N Sastry cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Mayur N Sastry who got into the CMI Entrance 2022.

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July 6, 2022
How Vemparala Bhuvan cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Vemparala Bhuvan who got into the CMI Entrance 2022.

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July 4, 2022
How Ryan Hota cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Ryan Hota who got into the CMI Entrance 2022.

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July 1, 2022
How Shravani Parulekar cracked CMI Entrance 2022?

How to Prepare for Chennai Mathematical Institute, CMI? Learn from Shravani Parulekar who got into the CMI Entrance 2022.

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June 2, 2022
ISI 2018 Subjective Problem 8 , A Problem from Matrix

Try this beautiful Subjective Matrix Problem appeared in ISI Entrance - 2018. You may use sequential hints to solve it.

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June 1, 2022
ISI 2015 Subjective Problem 8 | A Problem from Sequence

Try this beautiful Subjective Sequence Problem appeared in ISI Entrance - 2015 problem 8. You may use sequential hints to solve it.

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April 19, 2026
AMC 10A 2015 Question Paper

Question 1 What is the value of \(\left(2^{0}-1+5^{2}+0\right)^{-1}\times 5\)? (a) \(-125\) (b) \(-120\) (c) \(\frac{1}{5}\) (d) \(\frac{5}{24}\) (e) \(25\) Question 2 A box contains a collection of triangular and square tiles. There are 25 tiles in the box, containing 84 edges total. How many square tiles are there in the box? (a) 3 (b) 5 […]

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April 19, 2026
AMC 10A 2016 Question Paper

Question 1 What is the value of \(\frac{11!-10!}{9!}\)? (a) 99 (b) 100 (c) 110 (d) 121 (e) 132 Question 2 For what value of \(x\) does \(10^{x}\cdot 100^{2x}=1000^{5}\)? (a) 1 (b) 2 (c) 3 (d) 4 (e) 5 Question 3 For every dollar Ben spent on bagels, David spent 25 cents less. Ben paid \($12.50\) […]

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April 19, 2026
AMC 10A 2013 Question Paper

Question 1 A taxi ride costs \($1.50\) plus \($0.25\) per mile traveled. How much does a 5-mile taxi ride cost? (a) \($2.25\) (b) \($2.50\) (c) \($2.75\) (d) \($3.00\) (e) \($3.25\) Question 2 Alice is making a batch of cookies and needs \(2\frac{1}{2}\) cups of sugar. Unfortunately, her measuring cup holds only \(\frac{1}{4}\) cup of sugar. […]

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April 19, 2026
AMC 10A 2012 Question Paper

Question 1 Cagney can frost a cupcake every 20 seconds and Lacey can frost a cupcake every 30 seconds. Working together, how many cupcakes can they frost in 5 minutes? (a) 10 (b) 15 (c) 20 (d) 25 (e) 30 Question 2 A square with side length 8 is cut in half, creating two congruent […]

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April 19, 2026
AMC 10A 2011 Question Paper

Question 1 A cell phone plan costs \($20\) each month, plus \($0.05\) per text message sent, plus \($0.10\) for each minute used over 30 hours. In January Michelle sent 100 text messages and talked for 30.5 hours. How much did she have to pay? (a) \($24.00\) (b) \($24.50\) (c) \($25.50\) (d) \($28.00\) (e) \($30.00\) Question […]

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April 19, 2026
AMC 10A 2007 Question Paper

Question 1 One ticket to a show costs \($20\) at full price. Susan buys 4 tickets using a coupon that gives her a \(25%\) discount. Pam buys 5 tickets using a coupon that gives her a \(30%\) discount. How many more dollars does Pam pay than Susan? (a) 2 (b) 5 (c) 10 (d) 15 […]

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April 19, 2026
AMC 10A 2017 Question Paper

Question 1 What is the value of \((2(2(2(2(2(2+1)+1)+1)+1)+1)+1)\) (a) 70 (b) 97 (c) 127 (d) 159 (e) 729 Question 2 Pablo buys popsicles for his friends. The store sells single popsicles for \($ 1\) each, 3popsicle boxes for \($ 2\) each, and 5-popsicle boxes for \($ 3\). What is the greatest number of popsicles that […]

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April 14, 2026
Australian Mathematics Competition 2020, Middle Primary (Years 3-4)

Question 1 How many cubes are shown here? (a) 6 (b) 9 (d) 12 (e) 18 (c) 10 Question 2 $20+20=$ (a) 40 (b) 30 (c) 200 (d) 220 (e) 2020 Question 3 What time is shown on this clock? (a) 3:05 (b) $3: 50$ (c) 5:03 (d) $5: 15$ (e) 5:30 Question 4 Half […]

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April 14, 2026
Australian Mathematics Competition 2021, Middle Primary (Years 3-4)

Question 1 How many dots are on this domino? (a) 5 (b) 7 (c) 9 (d) 10 (e) 11 (e) 11 Question 2 What is the difference between 14 and 2 ? (a) 28 (b) 16 (c) 12 (d) 10 (e) 7 Question 3 This Nigerian flag is white and green. What fraction of it […]

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March 5, 2026
AMERICAN MATHEMATICS COMPETITION 10 A - 2018

Problem 1 What is the value of $$\left(\left((2+1)^{-1}+1\right)^{-1}+1\right)^{-1}+1 ?$$ (A) $\frac{5}{8}$(B) $\frac{11}{7}$(C) $\frac{8}{5}$(D) $\frac{18}{11}$(E) $\frac{15}{8}$ Answer: (B) $\frac{11}{7}$ Problem 2 Liliane has $50 \%$ more soda than Jacqueline, and Alice has $25 \%$ more soda than Jacqueline. What is the relationship between the amounts of soda that Liliane and Alica have?(A) Liliane has $20 \%$ […]

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