#11 - Odd One Out Picture Puzzle
In the four images below, can you find the odd one out?
3rd.
Its the only image where all the three arrows curved in the same direction.
#12 - Three Brothers Statement Riddle
You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?
Are you John
Below will be the reply of three brothers:
Frank: No (speaks truth)
John: No (speaks lie)
Wayne: Yes (speaks lie)
Therefore if its Wayne then only you will get a reply as "Yes" and then you ask for your money.
#13 - Prime Number Maths Puzzle
How many prime numbers less than 100 are there that when divided by 5 leaves an odd remainder?
13 numbers
Since we are looking to find odd reminder which implies that the remainder will be either 1 or 3
Therefore number must follow below two conditions:
A) We can list number 5n + 1 or 5n + 3. (where n = 0,1,2,3.....)
B) The number must end in 1 or 3.
List of such numbers less than 100 are:
1, 3, 11, 13, 21, 23, 31, 33, 41, 43, 51, 53, 61, 63, 71, 73, 81, 83, 91, 93
Let us remove the nonprime ones which are 1, 21, 33, 51, 63, 81 and 91
So, I will be left with 13 numbers which fit the bill.
3, 11, 13, 23, 31, 41, 43, 53, 61, 71, 73, 83 and 93
#14 - Matchsticks Relationship Riddle
What is the relationship between these matchsticks pictures below?
Remove the same 2 matchsticks from each figure and move figure towards left 45 degrees, It forms the letters V W X Y.
#15 - Tricky Girl Child Probability Puzzle
In New York Park area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for New York Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school at New York and they recently have a newborn.
Can you prove that probability of House-H1 having girl child is more than that of House-H2?
In House H2, we know that older child is boy, therefore there are two cases
Older Younger
Boy Girl
Boy Boy
Probability of at least one girl child: 1/2
In House H1 there are three cases
Older Younger
Boy Girl
Boy Boy
Girl Boy
Probability of at least one girl child: 2/3
#16 - Missing Year Sequence Puzzle
Can you find the missing year in the number sequence below?
1997 1999 2003 2011 ? 2027
2017 (It is a series of prime numbers)
#17 - Yesterday Tomorrow Puzzle
John said, "If yesterday was tomorrow, today would be Friday."
When did John make this statement?
Wednesday
There is two way to interpret this.
A) If z + 1 ==> z - 1
Then
z ==> z - 2
z - 2 = Friday
z = Sunday
B)If z - 1 ==> z + 1
Then
z ==> z + 2
z + 2 = Friday
z = Wednesday
Option B) makes sense and hence the answer.
#18 - 2 Matchsticks Equation Puzzle
Add two matchsticks equations to make below equation true.
It is shown as illustrated below.
#20 - Who Am I Rebus
Can you identify the famous lady(American politician) ciphered in the rebus below?
Eleanor Roosevelt
"L" in "or" = Eleanor
Rows of "elt" = Roosevelt