Find below 2 interesting puzzles related to square of some number. Hope you will like them.
Puzzle 1
The square of 13 is 169. Take the last digit of the square, 9, and place it in the middle, making 196. This is the square of 14, the next number above 13.
Each of two apple women had 30 apples for sale. The first sold hers at the rate of 2 for a nickel, the second at the rate of 3 for a nickel. At the end of the day their respective receipts were 75 cents and 50 cents, or $1.25 in all.
Mathematical Puzzle for competitive examinations
Friends this is a maths puzzle. Solving this type of maths puzzle could be very useful for students taking competitive examinations like CAT, GMAT, etc. Please let me clarify the puzzle is complete and no information in missing. For more such puzzle keep checking back WWW.QUICKERMATHS.COM
Mathematics Age Puzzle
At a census there [...]
A plane makes a trip from New York to Washington and back to New York. Call the distance between the two cities 200 miles and the speed of the plane 100 miles per hour. Then the time required for the round trip, ignoring stops, is 4 hours. Now suppose there is a strong wind which [...]
Who should be the Boss?
A large business firm was once planning to open a new branch in a certain city, and advertised positions for three clerks. Out of a number of applicants the personnel manager selected three promising young men and addressed them in the following way : “Your salaries are to begin at the [...]
Weird Brain Teaser…isn’t it?
A certain sportsman, experienced in shooting small game, was out on his first bear hunt. Suddenly he spotted a huge bear about a hundred yards due east of him. Seized with panic, the hunter ran out directly away from the bear, but, in his confusion, due north. Having covered about a hundred [...]
Sample Puzzles
Find below couple of weights and balance scale related puzzle questions. We are also mentioning the difficult level as per our perception. Our opinion may differ from yours.
Weight Puzzle Number 1
Here is a puzzle question of average (2/5; 5/5 is most difficult) difficulty level -
Among 12 identical looking golf balls there is one that [...]
Strange Puzzle – Strange Brainteaser
Once a professor was teaching mathematics in a college. He declared that, all the students who will score equal to more than the class average in his subject in the upcoming semester examination will be marked as PASS. Those who will score lesser than average will be marked as FAIL.
Actually the [...]
There is a very interesting concept called Cyclic Number.
Cyclic Numbers can be defined as a number with n digits, which, when multiplied by 1, 2, 3, …, n produces the same digits in a different order.
There are few very famous cyclic numbers. We have given a puzzle question below, if you could answer the puzzle [...]
Two generations ago Ran had 2 x 2 or 22, or 4 ancestors. Three generations age he had 2 x 2 x 2 or 23 or 8 ancestors. For generations ago he had 2 x 2 x 2 x 2 or 24 or 16 ancestors.
Assuming that there are 20 years t o a generation, can you tell 400 years back how many ancestors did Ram have?