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/

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’:

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’:

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’:

You have a balance and the following weights:
4kg,  8kg, 16kg, 32kg, and 64kg.

How many different possible weights can you measure with these items?

### See our previous ‘Puzzles of the Day’:

The letters J, K, L, M, N, O and Z, represent seven consecutive integers from 42 to 53. Not necessarily in that order,O is as much less than K as L is greater than M. Z is greater than O. K is the middle term. J is 3 greater than M. Can you find the sequence of letters from the lowest value to the highest value?

2 9 3 1 8 4 3 6 5 7

What is the next term in this sequence?

Four friends, who work in different departments of a college, made a statement each as given below. It is known that two of them always speak the truth and the rest two always tell a lie.

Ankit: Vineet works in Commerce department. Dinesh works in Mathematics department.

Vineet: Shivam works in Mathematics department. Ankit works in English department.

Shivam: Ankit works in Commerce department. I work in Science department.

Dinesh: Neither Ankit nor Shivam works in Mathematics department. I work in English department

Who works in the Mathematics department?

1. Ankit
2. Vineet
3. Shivam
4. Dinesh