• Views : 50k+
• Sol Viewed : 20k+

# #1 - Hard Yahoo Logical Mathematics Interview Question

Difficulty Popularity

In an old town, there lived a pot maker who wanted to sell the last stock of his craft to a merchant. When the merchant asked him how many pots he had, he replied that he was unable to count after 100. But he gave him certain clues to figure out for himself:

If the number of pots are divided by two, there will be one left.
If they are divided by three, there will be one left.
If they are divided by four, there will be one left.
If they are divided by five, there will be one left.
If they are divided by six, there will be one left.
If they are divided by seven, there will be one left.
If they are divided by eight, there will be one left.
If they are divided by nine, there will be one left.
If they are divided by ten, there will be one left.
But if they are divided by eleven, there will be no pot left.

Can you find the number of pots, the pot maker possess?

• Views : 30k+
• Sol Viewed : 10k+

# #2 - Popular Maths Sets Interview Problem

Difficulty Popularity

There was an examination in class in which there were two questions asked. If 75% of the students were able to answer the first question correctly, 55% were able to answer the second question correctly and 20% answered both the questions wrong.

What percentage of students answered both the questions correctly?

• Views : 30k+
• Sol Viewed : 10k+

# #3 - Maths Range Interview Problem

Difficulty Popularity

1000 students study in a renowned college. Of all the mass, 200 students are studying science. Out of those 200 students, 130 are studying Chemistry and 150 are studying Biology. Assume that at least 30 students are neither studying Chemistry nor Biology.

Can you calculate the range of students who are studying both Chemistry and Biology ?

• Views : 30k+
• Sol Viewed : 10k+

# #4 - Facebook Mathematics Sets Interview Problem

Difficulty Popularity

A Facebook page like campaign has a budget of Rs.2000. Supriya was able to bring 420 likes and Ahana was able to bring 280 likes.

How much money should Supriya Receive?

• Views : 30k+
• Sol Viewed : 10k+

# #5 - Maths Work Interview Puzzle

Difficulty Popularity

A maid spends 1/4th of her time is cleaning the house, 3/8th of her time in washing the utensils and rest of the time in cooking. She works 48 hours every week.

How many hours does she spend on cooking food?

• Views : 30k+
• Sol Viewed : 10k+

# #6 - Easy Probability Interview Puzzle

Difficulty Popularity

On being asked anything, Andy speaks truth 80 percent of the times whereas Brian speaks truth 60 percent of the time.

Calculate the probability that they tell the truth at the same time.

• Views : 30k+
• Sol Viewed : 10k+

# #7 - SAS Set Interview Question

Difficulty Popularity

If we choose three different numbers from a set [1, 2, 3, 4, 5] and the numbers are arranged in increasing order, what is the probability that the sequence that comes out as a result is an arithmetic sequence?

• Views : 20k+
• Sol Viewed : 10k+

# #8 - Union Intersection Set Interview Problem

Difficulty Popularity

Angelina, Brad, Cindy and Duke are four tourists. There are four languages English, German, French and Italian. No single language is enough for them to converse among themselves. Angelina is not familiar with English but she can interpret between Brad and Cindy. None of them are able to speak both French and German. Angelina knows German and can converse with Duke who doesn’t know a word of German. There is only one language that can be spoken by more than two people.

If each of them is able to speak two languages find out who speaks what ?

• Views : 20k+
• Sol Viewed : 10k+

# #9 - Who Drink Interview Problem

Difficulty Popularity

Payal, Fiza and Chavi orders either coke or thumbs up after having their dinner at a restaurant daily.
a) If Payal orders coke, Fiza orders the drink that is ordered by Chavi
b) If Fiza orders coke, Payal orders the drink that is ordered by Chavi
c) If Chavi orders thumbs up, Payal orders the same drink that is ordered by Fiza.

Who drinks the same drink every day?

• Views : 20k+
• Sol Viewed : 10k+

# #10 - Mathematics Set Problem

Difficulty Popularity

In a university, 7500 students study. If 75% of them opted to study science and 45% students opted to study mathematics.

How many students in total opted for both?

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