Consecutive Natural Numbers
There are two consecutive natural numbers whose product is equal to the product of three consecutive natural numbers for example (x + 1) = (y + 1) (y + 2). What are the two numbers?
Popularity: 1%
Number of Poles in a Fence
A farmer built a fence around his 17 cows, in a square shaped region. He used 27 fence poles on each side of the square.
How many poles did he need altogether?
Popularity: 1%
Counting A Billion
If you were to count one number per second and counted seven hours per day, how long would it take you to count to a Billion?
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Abra Cadabra
SEVEN VIGINTILLION, THREE HUNDRED FORTY SIX NOVEMDECILLION, SIX HUNDRED FORTY EIGHT OCTODECILLION, FOUR SEPTEDECILLION, FIVE HUNDRED SIXTY SEXDECILLION, NINE HUNDRED EIGHTYSIX QUINDECILLION, TWO HUNDRED FIFTEEN QUATTOUR DECILLION, THREE HUNDRED FORTY EIGHT DUODECILLION, FOUR HUNDRED FORTY FOUR UNDECILLION. TWO HUNDRED EIGHTYSIX DECILLION, FOUR HUNDRED FORTY FIVE NONILLION, THREE HUNDRED AND FIVE OCTILLION, ONE HUNDRED FORTY SIX SEPTILLION, THIRTY NINE SEXTILLION, ONE HUNDRED FORTY QUINTILLION, FORTY SIX QUADRILLION, NINE HUNDRED SIXTY TRILLION, SIX HUNDRED SEVENTY EIGHT BILLION, FIVE HUNDRED EIGHTYTWO MILLION, TWO HUNDRED FIFTY SIX THOUSAND AND THREE. Can you write this as a numeral?
Popularity: 1%
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 answers from the number of correct answers.
Can you tell how many problems she solved correctly?
Popularity: 1%
Something for the Chickens
A friend of mine runs a small poultry farm in Bangalore. She took me round to see the place. I counted the number of chickens. There were 27 of them. And there were 4 enclosures. I noticed that in each enclosure there were an odd number of chickens.
Can you tell how many there were in each enclosure?
Popularity: 1%
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?
Popularity: 1%
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