#21 - 3 Cup Classic Lateral Thinking Puzzle

Below picture shows three empty cups. You need to put in your lateral thinking cap and place ten sugar cubes in three cups such that every cup contains an odd number of sugar cubes.
Can you do it?

3 Cup Classic Lateral Thinking Puzzle

Pour three sugar cubes on cup1 and cup3 and 4 sugar cubes on cup-2
Now,
Cup-1 got three sugar cubes.
Cup-3 got three sugar cubes.
Cup-2 got three seven cubes (3 of cup-1 and 4 of its own)

#22 - IQ Picture Riddle

By adding three letters, can you move image from

to
IQ Picture Riddle

Image
http://www.briddles.com/images/riddles/IQ-TEST-BRIDDLES-.png
can be changed to
http://www.briddles.com/images/riddles/IQ-TEST-BRIDDLES-ANS.png
By adding 3 letters "Ans".

#23 - Isolate 9 Dogs Square Fence

Can you add 2 squares in the picture below such that each dog is in isolation?

Isolate 9 Dogs Square Fence

Add two squares as shown in the picture below.

#24 - Coronavirus Escape From Hospital Brain Teaser

A hospital is infected with 16 patients. The patient number 13 is recovered from coronavirus and want to say goodbye to all the remaining patient by visiting every patient exactly once.
However, If the recovered patient enters any room twice, he will get infected again.

What path he must take to escape from room-13 to room-4?

Coronavirus Escape From Hospital Brain Teaser

The Patient will follow the path from room number-13 to room-no.4 as shown in the picture below.

#25 - Next number in matchstick Brain Teaser

Can you identify the next number in this viral matchsticks Puzzle?

Next number in matchstick Brain Teaser

1

Explanation.
At every step number of joints goes down by 1.
i.e
8 have 6 joints
9 have 5 joints
5 have 4 joints
3 have 3 joints
7 have 2 joints
1 has 1 joint

You can also watch the video for an explanation.

#26 - Which Tank Fills up First

If I open a tap, which tank completely fill first?

Which Tank Fills up First

Tank F.

For an explanation, please visit the video.

#27 - Laptop Cord Riddle

Can you determine the number of laptops that can be charged from the below setup?

Laptop Cord Riddle

8.

Explanation:
- The Wire of the extension cord-1 is broken.
- The extension cord-6 does not have a wire.
- One of the sockets of cord-2 is broken
- The cord-4 with just one socket is of no use.

Now,
- Cord-1 will connect to the main switch and one of the sockets will connect to Cord-2.
So two sockets can be used from cord-1.

- One of the sockets of cord-2 will connect to the cord-5 and one of them is useless.
So two sockets can be used from cord-2.

- Cord-5 can use all the sockets, i.e. 4

So,
Total In Use = 2 + 2 + 4 = 8.

Please watch the video for a better understanding

#28 - Spot the Safest Person Puzzle

Can you spot the safest person in the picture below?

Spot the Safest Person Puzzle

Of-course, The person driving the car is the safest person.

#29 - How many 3's eye test Riddle

Time for your eye test.

How many 3's can you see in the mobile screenshot below.
In comments, also mention the time taken by you to count the 3's.

How many 3's eye test Riddle

19.

The numbers are marked in the picture below,

#30 - Spot the odd one out chicken Riddle

Can you spot the odd one out chicken in the picture below?

Spot the odd one out chicken Riddle

Chicken-8

Explanation:
Let's start with distinct features

Chicken-2 has an extra toe.
Chicken-3 has fewer tail feathers.
Chicken-5 has only one thigh crease.
Chicken-6 has an extra feather around the neck.
Chicken-7 is looking up.
Chicken-8 has a longer butt crease.

But this riddle is not about the features. The different chicken is 8 as cannot be seen by any chicken.