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## Puzzles Corner - Multiplication in Alphametics

Previously, we looked at alphametics involving addition and subtraction. The logic becomes a little more involved when the alphametic involves multiplication. When a two digit number is multiplied by...

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## Puzzles Corner - Ant/Spider Crawling Along Edges Puzzles

A few days back, a student of ours asked me this question – in which cases is symmetry useful to us? Honestly, I don’t think I can create an exhaustive list of the topics where it could be useful.

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## Puzzles Corner - Weighing Scale Puzzle

Puzzle 1: You have 10 bags with 1000 coins each. In one of the bags, all coins are forgeries. A true coin weighs 1 gram; each counterfeit coin weighs 1.1 gram. If you have an accurate weighing scale,

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## Puzzles Corner - Solving Alphametics

An alphametic is a mathematical puzzle where every letter stands for a digit from 0 - 9. The mapping of letters to numbers is one-to-one; that is, the same letter always stands for the same digit,

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## Puzzles Corner - Distribute Fuel Puzzles

Another variety of puzzles involves distributing fuel among vehicles to reach a destination. Let’s look at those today. Though they may not be directly convertible to standardised test questions,

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## Puzzles Corner - Hourglass Puzzle

Let’s continue our puzzles discussion today with another puzzle type - time measurement using an hourglass. Let's see how to measure different units of time using a std. hourglass.

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## Puzzles Corner - Weighing with Two Pan Balance

A classic weighing puzzle - weighing with a two pan balance. We will look at a couple of them today and leave you with another to think. We will give the solution to that soon.