Puzzle on Barter System
AT A CATTLE MARKET
Three countrymen met at a cattle market. ‘Look here,’ said Hari to Jaggu, ‘I’ll give you six of my pigs for one of your horses, and then you’ll have twice as many animals here as I’ve got.’
‘If that’s your way of doing business,’ said Dinanath to Hari, ‘I’ll give you fourteen of my sheep for a horse, and then you’ll have three times as many animals as I.’
‘Well, I’ll go better than that,’ said Jaggu to Dinanath; ‘I’ll give you four cows for a horse, and then you’ll have six times as many animals as I’ve got here.’
No doubt this was a very primitive way of bartering animals, but it is an interesting little puzzle to discover just how many animals Jaggu, Hari and Dinanath must have taken to the cattle market.
If you enjoy puzzles like this you may also enjoy math classes from an accredited online college.
Trick for Adding Time
Have you ever faced any problem in adding time?
If you have ever have faced the slightest difficulty in adding time or duration expressed in hours and minutes, this trick is meant for you.
Say you have to add 4 hours 55 minutes and 2 hours 40 minutes.
Make 4 hours 55 minutes into one number, which will give us 455 and do the same for the other number, 2 hours 40 minutes, giving us 240.
Shortcut Trick to Add Two Numbers
So You Think You Are Clever?
Here is quiz that is likely to engross you mentally for some time. Ponder on each one of them very carefully. At the end of it you might realize, how clever you are (or you are not). If you can answer 5 or more than that correct, I consider you exceptional.
- If 3 cats kill 3 rats in 3 minutes, how long will it take 100 cats to kill 100 rats?
- Is it legal for a man to marry his widow’s sister?
- A monkey is at the bottom of a 30-foot well. Each day he jumps up 3 feet and slips back two. At that rate when will the monkey reach the top of the well?
- I have 2 minutes to catch a train and 2 Km to go. If I go the first Km at the rate of 30 Km per hour, at what rate must I go the second Km in order to catch the train?
- The number of eggs in a basket doubles every minute. The basket is full of eggs in an hour. When was the basket hall full?
- What is the smallest number of ducks that could swim in this formation: two ducks in front of a duck, two ducks behind a duck and a duck between two ducks?
- A boat will carry only 200 pounds. How a man weighing 200 pounds and his two sons, each of whom weighs 100 pounds, use it to cross a river?
Leave your answers below as a comment.
Online masters degree programs are available for those who want to learn advanced math skills.
Origin of Vedic Mathematics
Origin of Vedic Maths or Vedic Ganit
At the beginning of the twentieth century, when there was a great interest in the Sanskrit texts in Europe, Bharati Krsna Swamiji tells us some scholars ridiculed certain texts which were headed 'Ganita Sutras'- which means mathematics. They could find no mathematics in the translation and dismissed the texts as rubbish. Bharati Krsna Swamiji, who was himself a scholar of Sanskrit, Mathematics, History and Philosophy, studied these texts and after lengthy and careful investigation was able to reconstruct the mathematics of the Vedas. According to his research all of mathematics is based on sixteen Sutras, or word-formulae.
Bharati Krsna wrote sixteen volumes expounding the Vedic system, which you can find in the book named Vedic Mathematics by Bharati Krsna Tirthaji. These sutras were unaccountably lost and when the loss was confirmed in his final years he wrote a single book: Vedic Mathematics, currently available. It was published in 1965, five years after his death. The term Vedic Mathematics now refers to a set of sixteen mathematical formulae or sutras and their corollaries derived from the Vedas.
You can find more details about Origin of Vedic Maths here at wikipedia - http://en.wikipedia.org/wiki/Bharati_Krishna_Tirtha's_Vedic_mathematics
Fun with Algebra
This is a guest post by Danielle Brooksis, a regular contributor on QuickerMaths.com. If you want to write a guest post, get in touch at vineetpatawari[at]gmail[dot]com.
Algebraic Equations for Fun!
There was a lot of positive feedback about the alphametic cryptatrithms, I posted a few months ago: so here is a little game that is based on the same idea, but with a different execution. This version is fun for those with a propensity towards algebra, and geared more toward middle school or high-school ages; however, if you are an adult, please enjoy them as well. There are a few less steps here than in the cryptarithms, but I’m sure y’all will get a kick out of them all the same!
- (DD)^E = DEED
Base Method of Multiplication
Base method of multiplication derived from Vedic Mathematics can be applied for multiplication of two numbers close to 100.
This post in is in continuation of an earlier post named "Vedic Multiplication of two numbers close to hundred". Though you can understand this post stand alone, yet I'll recommend you to read the linked post before reading this one.
In this post I'll explain how to multiply two numbers lesser than the base (in this case 100). In the earlier post it was about both numbers more than 100.
Suggested Books for CAT
Lot of QuickerMaths.com users are preparing for CAT and other MBA entrance examinations. In this post I am listing down most famous, useful and effective books for CAT.
You can also check out the list for best MAT preparation books
Start preparing from your home by ordering the necessary books for MBA entrance or any other competitive examination from India's best book selling website FlipKart.com
Books for All Topics of CAT
Books mentioned below are meant for all topics of CAT including verbal ability (english), logical reasoning and data interpretation and quantitative ability (mathematics).
Develop Birbal Way of Thinking
This is the second post in the series – “Learn Solving Problems – The Birbal Way”
To solve this problem you’ll require some innovative thinking. Let’s see how many of you can come up with some feasible solution to this problem posed by Akbar infront of everyone. If you can think in “the Bribal way”, you can answer this. So here goes the story –
Akbar-Birbal Tales - Retrieving the Ring
Once Akbar threw his gold ring in to a dry well and asked his ministers to retrieve it without climbing down into the well. Everyone thought deeply but could not come up with a solution. Birbal loved challenges like this. He promised the king to get back his ring before sunset.
What would have you done, had you been in the place of Birbal. Give your solution as a comment below.
If you are fond of such witty tales and you love the insight these stories provide, consider reading the book suggested in the last post - Solve Your Problems – The Birbal Way
There is another equally interesting book – Fix your Problems – The Tenali Raman Way
If you’ve read any other book similar to these, please share with all of us.
Who is behind QuickerMaths?
I am Vineet Patawari - PGDM (IIM Indore), ACA, B.Com(H). My passion for Mathematics, specially Vedic Maths encouraged me to start QuickerMaths
I believe that if trained properly using powerful tools like Vedic Maths, the immense intellect of human mind can be ignited instantly - find out more
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