Sunday, March 8, 2015

puzzle, JMO

There are three temples and one pond before each temple. One person carries some flowers and dips it in the first pond. Number of flowers become 100 times. He then offers some flowers in the first temple.He goes with the balance to second pond and takes a dip. Again the number of flowers increases by 100 times. He offers the same number of flowers at second temple and leaves with the balance  flowers to the third pond. There after the dip the number of flowers increase by 100 times. He offers same number of flowers at temple 3 and nothing remains with him afterwards. So how many flowers did he have in the beginning.


Monday, March 2, 2015

Friday, February 13, 2015

puzzle

Your mother stays in Pune. You want to pay  a visit on her birthday, and give her a gift of 2 cakes.
On the way to Pune, you will run into 7 check post for collecting toll. You can pay them in kind. In such a case they will demand 1/2 of all your cakes as the price of entry. As a goodwill gesture they return back 1 cake to you.
How many cakes do you need to carry to be able to give 2 cakes to your mom.

Thursday, February 12, 2015

fun with numbers

Remembering Ramanujam

1 x 9 + 2 = 11
12 x 9 + 3 = 111
123 x 9 + 4 = 1111
1234 x 9 + 5 = 11111
12345 x 9 + 6 = 111111
123456 x 9 + 7 = 1111111
1234567 x 9 + 8 = 11111111
12345678 x 9 + 9 = 111111111
123456789 x 9 + 10 = 1111111111