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Hi all,
Let's us solve some puzzles, Try his one...

#1
Rule: You are allowed to move only one digit among any one of the numbers such that it satisfies the equation 101 - 102 = 1 .

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Last Post by twiss
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  • 1

    You need to move the 2 up :) Another one. It's my favorite puzzle. Is there a sequence of valid moves in chess that leads to the following (explain): [img]http://twiss.nl/chess.png[/img] Read More

  • 1

    White plays first. This is possible when white makes a move with knight. For example, White knight moves from g1 to h3,the black pawn move from e7 to e5, again the white knight moves from h3 to g1. Read More

  • [B]The number is 2519[/B] Read More

  • The above puzzle is very tough to solved. But any way, The solution is .. Here, 1 -> 11 ([B]One 1[/B]) 11 -> 21 ([B]two 1[/B]) 21 -> 1211 ([B]one 2 [/B]and[B] one 1[/B]) 1211 ->111221 ([B]one 1, one 2 [/B]and[B] two 1[/B]) 111221 ->[COLOR="Red"]312211 ([B]three 1, two 2 [/B]and[B] … Read More

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You can move only one digit anywhere for example 110 -102 ( changed the place of 1 in 101).
You are not allowed to change the signs.

Edited by Arbus: n/a

1

You need to move the 2 up :)

Another one. It's my favorite puzzle.
Is there a sequence of valid moves in chess that leads to the following (explain):
[img]http://twiss.nl/chess.png[/img]

Edited by twiss: n/a

Votes + Comments
right
1

White plays first. This is possible when white makes a move with knight.
For example,
White knight moves from g1 to h3,the black pawn move from e7 to e5, again the white knight moves from h3 to g1.

Edited by Arbus: n/a

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Find the number.
Let the number be x.
If x is divided by 1 the remainder is 0.
if x is divided by 2 the remainder is 1.
if x is divided by 3 the remainder is 2.
and so on..
till
if x is divided by 10 the remainder is 9.

What is the value of x ?

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Find the sequence.
1
11
21
1211
111221
??????
Also explain the logic.

Edited by Arbus: n/a

1

The above puzzle is very tough to solved. But any way, The solution is ..

Here,
1 -> 11 (One 1)
11 -> 21 (two 1)
21 -> 1211 (one 2 and one 1)
1211 ->111221 (one 1, one 2 and two 1)
111221 ->312211 (three 1, two 2 and one 1)

Suppose there there is a no. 5861155
for fist digit (5) that is ONE 5 =15
for second digit (8) that is ONE 8=18
for third digit (6) that is ONE 6=16
for forth and fifth digit (11 (though both the digit is same)) those are TWO 1=21
for sixth and seventh digit (55 (though both the digit is same)) those are TWO 5=25

So, the number is 1518162125

Edited by P.manidas: n/a

Votes + Comments
Right answer!
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Find the Numbers.......

A teacher says: I'm thinking of two natural numbers greater than 1. Try to guess what they are.
The first student knows their product and the other one knows their sum.
First: I do not know the sum.
Second: I knew that. The sum is less than 14.
First: I knew that. However, now I know the numbers.
Second: And so do I.
What were the numbers?

Edited by P.manidas: n/a

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Is it 4 and 3 ?
That's a tough one.
#6
Here's a simple one...
Find the number.
2, 2 , 4 , 12 , 48 , ??

Edited by Arbus: n/a

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