#91 - Number One Disappear Riddle
How can you make the number one disappear by adding something to it?
By adding letter "G" to it. One becomes "Gone".
#92 - Good Equation Riddle
Is it possible to get ten whether you remove one from nine or eleven? How?
It is possible if you write numbers in their roman forms.
11 = XI
If I (1) is removed, it becomes X = 10
9 = IX
If I (1) is removed, it becomes X = 10
#93 - Coolest Maths Riddle
For a performance, a few dancers are arranged in a row. Nancy is standing in the middle of the row at the 6th position.
Can you find out the total number of girls in that row?
Since Nancy is the middle at 6th position, there should be 5 girls on both her sides.
5 + 5 = 10
Counting Nancy as well, the total number of girls in that row = 10 + 1 = 11
#94 - Replace Question Mark Riddle
Can you find out the number that should replace the question mark with a valid reason?
The number that will replace the question mark is 0. This is because, in this number pie, the diagonals add up to 25.
#95 - Profit Or Loss Riddle
Johanna purchased a portable music player for $100 through a deal. She sold it to Sindy for $125. After a year, she bought it back from Sindy at $150. Upon using it for a month, she sold it to Suzzanne for $175.
Can you calculate if this entire deal was profitable or a loss for Johanna?
In the first deal, Johanna made a profit of $25 from Sindy.
In the second deal, Johanna made a profit of $25 again from Suzzanne.
Therefore, the entire deal was profitable for Johanna and she made a total profit of $50.
#96 - Trick Maths Equation Problem
The following question it puts forth you:
25 - 55 + (85 + 65) = ?
Then, you are told that even though you might think its wrong, the correct answer is actually 5!
Whats your reaction to it? How can this be true?
If you read the question again, you will probably notice the slight trick used in this question.
25 - 55 + (85 + 65) = 25 - 55 + 150 = 120
Now, 120 is also equal to 5!
5! = 5 * 4 * 3 * 2 * 1 = 120
Yes, we were talking about 5! (factorial) and if you read the question, thats what is written there.
#97 - Maths Exam Puzzle
Aaron is giving his exam and after spending a lot of time answering the questions, he asks the examiner about the time that is left for the exam.
The the examiner is quite obtuse with her answer and says that the amount of time left is 1/5th of the time that has already passed.
Can you find out the amount of time left if the total time was 90 minutes?
15 minutes are left.
One fifth of 75 is 15 and they both add up to 90 minutes, which confirms that the answer is correct.
#98 - Which One Is Taller Riddle
As a part of a college activity, 200 hundred girls are arranged in 10 rows with 20 girls in each one of them. Now, the shortest girl from each column is selected and the tallest from those 20 girls is named P. The girls return to their original places.
Then, the tallest girl from each row is selected and among these 10, the shortest girl is named Q.
Can you find out which one of P and Q is taller?
As per the asked question, there can be three different cases, which are given below:
1) P and Q are standing in the same row.
Through the question, we already know that Q is the tallest in her row.
=> Q is taller than P.
2) P and Q are standing in the same column.
Through the question, we already know that P is the shortest in her column.
=> Q is taller than P.
3) P and Q are standing in different rows and different columns.
In this case, let us assume that R is the girl standing in P’s column and Q’s row.
Here, Q will be taller than R and R will be taller than P, which implies that Q is taller than P.
Therefore, in any case, Q is taller than P.
#99 - Statement Equation Riddle
A + B = C
D - C = A
E - B = C
Based on the above equations, can you find out the outcome for:
D + F ?
In this question, the alphabets represent their equivalent numeric position.
A = 1, B = 2, C = 3 and so on.
Thus,
A + B = c
=> 1 + 2 = 3
D - C = A
=> 4 - 3 = 1
E - B = C
=> 5 - 2 = 3
Which is why,
D + F = 4 + 6 = 10
Since, J is the 10th alphabet,
D + F = J.
#100 - Wine Bottles Maths Riddle
In a classic wine shop in Flobecq, Belgium, list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$
Homer Simpson entered the wine shop and he needs to buy
- All three types of wine shop.
- Needs to buy Dutch wine bottles in multiple of 20.
- Need to buy 100 wine bottles
Simpson has only 10000$. How many wine bottle(s) of each type, Simpson must buy?
19(French) + 1(German) + 80(German) =>100 wines.
Cost:
19*500 + 100 + 100*4 = 10000$