Brain-Teasers Puzzles Riddles (vol 9)

1.
Divide a square into 3 equal parts without using a ruler.

2.
You are an astronaut and right now at an arbitrary planet.
You are in a room with 10 glasses of samples of milk with poison dissolved in one of them.
You have 1 rat to test the sample.
If the rat drinks the poisonous sample at a given time, it dies 10 hours later.
You have 24 hours to find out, which sample is poisonous.
How would you do that?
The gravity there is 1.5 times the gravity of earth.

3.
You have 1 sheet of paper.
Obviously, there are 2 surfaces on it.
You are locked in a room and have NOTHING with you.
Convert this 2 surface sheet into a single surface.

4.
You are in Bangalore.
You board an evening flight for Delhi.
On which side would you sit to avoid sunlight?

5.
Tell me a sentence.
If it will be true, you will be hired but will be fired immediately.
If it will be false, you will not be hired.

6.
Approximately how many birthdays do the average Indian woman have?

7.
In this year, do we have a month that has 28 days?
Which month?

8.
Choose a 6 digit number.
It should not have 0, 5, 1 digits.
Express this number in the form of this fomula:
a^b x b^a

9.
What is the length of the smallest bridge?

10.
You are driving a car on a lonely road.
1 of your tyres gets punctured.
You are a Mechanical Engineer.
You have a spare and you know how to change it.
Without wasting any time u fetch your tool kit.
You elevate the tyre using screw jack.
You remove the 4 lug nuts of the punctured tyre.
You keep all the 4 nuts near you, on the road.
Suddenly wind blows, and all the 4 nuts roll, and fall into the nearby gutter.
You do not have spare nuts.
There is no way you can get back those nuts from the gutter - so don not try.
You get a call from your friend who tells you that your mother has been hospitalized.
No other vehicle is expected to pass from that road anytime soon.
How will you reach the hospital ASAP?
You have issues walking - so do not walk.

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