A man Leaves from Kerala with 3 sacks of 30 Coconuts each

An intelligent trader travels from 1 place to another carrying
3 sacks having 30 coconuts each. No sack can hold more
than 30 coconuts. On the way he passes through 30 checkpoints
and on each checkpoint he has to give 1 coconut for each sack he is carrying.
Maximum how many coconuts he can save when he reaches last check point ?

Another version of this Puzzle :

A man leaves from Kerala with 3 sacks of 30 coconuts each.
He comes across 30 tolls till he reaches Mumbai.
He has to give 1 coconut for each sack containing coconuts as toll tax at every toll.
How much coconuts are left with him at Mumbai.

Click here for Answer

The first 10 checkpoints require 3 coconuts each, which empties his first sack.
The next 15 checkpoints require 2 coconuts each, exhausting his second sack.
The last 5 take 1 coconut each, so he's left with 25 coconuts.
or 26 Coconuts he can save when he reaches the last check point

Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15)

Solve this..
◻➕◻➕◻➕◻➕◻=30
Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15)
U can also repeat the numbers..
This question came in UPSC Final Exams held in Dec '13......
You will be glad to note that only Gaurav Agarwal could solve it.
Possible Solutions to Fill the boxes Puzzle :
Solution 1 :
(15-9)+(13-7)+(7-1)+(9-1)+(13-9)=30
so from the solution we can get
6+6+6+8+4 = 30
Solution 2 :
3weeks+7days+11hrs+13hrs+1days = 30day
Solution 3 :
3!+3!+3!+3!+3!=30

Who is the killer? Plz solve this

Pls solve this ...
Time to use ur brains...the one who solves this is a real brainy
A man got killed in his office. The suspects are Edison, Maxis, Jason, Jenny, Sofia, Patrick.
A calendar found near the man has blood, written 6, 4, 9, 10, 11.
Who is the killer?
Solve this now

Click here for Answer

JASON
The Numbers represent Months:
6 - June - J
4 - April - A
9 - September - S
10 - October - O
11 - November - N

Dimag hai to answer do!

Dimag hai to
answer do!
Vo kya chiz hai
jo saal me 1 bar,
mahine me 2 bar,
hafte me 4 bar,
aur din me 6 bar
aati hai..?
It's challange 4 u.
Ans me..?..
It's Challenge u 
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Click here for Answer

The answer is odd numbers
year = 12 the '1' is odd (that's 1)
month = 4 weeks, so there's 2 odd weeks '1' and '3' (that's 2)
Week = 7 days 1,3,5 and 7 are odd (that's 4)
day =12 hours 1,3,5,7,9,11 are odd (that's 6)