There are 3 persons- A, B and C. On some day, A lent pens to B and C as many as they had. After a month B gave as many pens to A and C as many as they have. After a month C did the same thing. At the end of this transaction each one of them had 16. Find the pens each originally had?


See our previous ‘Puzzles of the Day’:  
https://tathagat.mba/puzzle-of-the-day-60/ 
https://tathagat.mba/puzzle-of-the-day-59/

Two books, four pens and five files cost Rs. 50. Three books, six pens and seven files cost Rs. 70. Find the cost of each file.






See our previous ‘Questions of the Day’: 

https://tathagat.mba/quant-question-of-the-day-133/ 
https://tathagat.mba/quant-question-of-the-day-132/

There are 511 oranges and 9 empty boxes. An orange vendor asks his son to place all the 511 oranges in all the 9 boxes in such a manner that if he asks for any number of oranges from 1 to 511, his son should be able to pick them in terms of boxes. How did the son place all the oranges among the 9 boxes, given that any number of oranges can be put in one box?



See our previous ‘Puzzles of the Day’: 

https://tathagat.mba/puzzle-of-the-day-58/ 
https://tathagat.mba/puzzle-of-the-day-57/

A man is looking at a picture, in his mother’s, only brother’s, nephew’s house. Someone walks by this man and asks, “Who are you looking at?” The man answered, “I am looking at my son’s only sister’s, maternal grandfather’s daughter’s, husband’s, son’s father’s picture. Also, neither  my wife nor I has brothers or sisters.” Whose house is the man in and who is he looking at?




See our previous ‘Puzzles of the Day’:  

https://tathagat.mba/puzzle-of-the-day-57/ 

https://tathagat.mba/puzzle-of-the-day-56/

A tank is connected with 7 pipes in total, some of which are inlet pipes and the others are outlet pipes. Each inlet pipe can fill the empty tank in 4 hours while each outlet pipe can empty the full tank in 5 hours. If all the pipes are opened together, it takes 2.5 hours for the empty tank to be filled. Find the number of inlet pipes. 

1. 3
2. 4
3. 5
4. 2 







See our previous ‘Questions of the Day’: 

https://tathagat.mba/quant-question-of-the-day-132/ 

https://tathagat.mba/quant-question-of-the-day-131/

A lady and a gentleman are wife and husband. We do not know who is older.
Someone asked them: Who is older?
The wife said: I am older.
The husband  said: I am younger.
At least one of them was lying. Who is older?

 

 

 

 

 

 

 See our previous ‘Puzzles of the Day’: 

https://tathagat.mba/puzzle-of-the-day-56/ 

https://tathagat.mba/puzzle-of-the-day-55/

At an engineering college, 57% of the students commute to the college on their two wheelers while 51% of the students use a smart phone. 150 students belong to both the groups. If 17% of the students belong to neither group, how many students are there at the college ? 

1. 500
2. 650
3. 600
4. 700


See our previous ‘Questions of the Day’: 

https://tathagat.mba/quant-question-of-the-day-131/  
https://tathagat.mba/quant-question-of-the-day-130/