Name of the Exchange
In Great Britain some years back the first three letters of a telephone number used to indicate the name of the exchange. How many such arrangements of 3 letters is it possible to devise from the 26 letters of the alphabet?
The Problem of the Music concert
Recently I was at a music concert in Calcutta. I was sitting only one hundred feet away from the musicians.
The performance was being broadcasted. My sister Vasantha who lives in Bangalore also heard the same concert on the radio. I am sure you know that Bangalore is over a thousand miles away from Calcutta, and also that sound travels at 1100 feet per second.
Amicable Numbers
The numbers 220 and 284 are known as amicable numbers. The reason is the sum of the proper divisions of 220 equals 284 and what is even more interesting is the sum of the proper divisors of 284 equals 220.
Solving Problems
Romila appeared for a maths exam. She was given 100 problems to solve. She tried to solve all of them correctly but some of them went wrong. Any how she scored 85.
Her score was calculated by subtracting two times the number of wrong answer from the number of correct answers.
Measure out the Time
We have an old grandpa clock at home. It takes seven second for this clock to strike seven gongs. Now how long do you think it will take for striking ten gongs.
Question of Probability
My friend Parveen teaches at a school. One day she conducted a test for three of her students and when they handed back the test papers, they had forgotten to write their names.
Parveen returned the papers to students at random.
Volume of Cylinder
A cylindrical container has a radius of eight inches with a height of three inches. Compute how many inches should be added to either the radius or height to give the same increase in volume?
A Matter of Denomination
One morning I went to draw some money from my bank. The Cashier behind the counter smiled at me and said ‘I’ve got here money of all denominations, I’ve got denominations of 1 Paise, 5 Paise, 10 Paise, 25 Paise, 50 Paise, Re 1/-, Rs2/-, Rs5/-, Rs10/-, Rs20/-, Rs50/-, Rs100/-, Rs500/- and Rs 1000/-.
Moving Safe
A heavy safe is to be moved. Two cylindrical steel bats of diameter 7 centimeters are used as rollers.
When the rollers have made one revolution, how far will the safe have moved forward?
Dropping a Ball
A little ball is dropped from a height of 8 ft. and it bounces back each time to a height which is one-half of the height of the last bounce.
How far approximately will the ball have travelled when it comes to rest?
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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Recent Comments
watchman was paid for awaking not for sleeping so that he can see dreams.. – 05Feb12
as a night watchman he shouldnt have slept at night to get that dream... – 04Feb12
Can u plz give me clarity in ur solution Kaush sir..... – 04Feb12
thanks for these tricks. Are these from the book "quicker maths by m.tyra" ? – 03Feb12
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