#861 - Hard Right Prime Number Brain Teaser

5939 is considered to be a right prime number because even if we remove any digit from right, it will still remain as prime.
i.e
5939 is a prime number
593 is a prime number
59 is a prime number
5 is a prime number

Can you find out three digits highest right prime number?

797

Explanation:
797 is a prime number
79 is a prime number
7 is a prime number

#862 - Find The Mistakes In The Picture

Find six items that do not belong to this era?

Find The Mistakes In The Picture

Six items that do not belong to this era:

1. Plane
2. Table lamp.
3. Scooter.
4. Sunglasses.
5. Earphones
6. Mobile phone.

#863 - Matching Painters Puzzle

Which of the two painters are exactly the same?

Matching Painters Puzzle

3 and 7.
Only 3 and 7 matches all nine circled areas.

#864 - Beer Glass Full First Brain Teaser

Which beer glass will fill first?

Beer Glass Full First Brain Teaser

3

Since the glasses, 5 6 and 7 got a blocked connection. Now, since the connection to 3 is lower than that of 2, it will fill first while rest glasses will remain empty.

#865 - Maths Problem With 2 Answer

Can you solve the below maths equation problem by replacing the question mark with the correct number?

Note: It has more than one solution.

Maths Problem With 2 Answer

40 or 96

Explanation:
Solution A :
Add the rhs of the last line to the current line
1 + 4 = 5
5 + 2 + 5 = 12
12 + 3 + 6 = 21
21 + 8 + 11 = 40

Solution B :
RHS = 1ST NUMBER + (1ST NUMBER * 2ND NUMBER)
1 + (1 x 4) = 5
2 + (2 x 5) = 12
3 + (3 x 6) = 21
8 + (8 x 11) = 96

#866 - Longer Bar Optical Illusion Puzzle

Which bar is longer A or B?

Longer Bar Optical Illusion Puzzle

Both bars are equal. It's an optical illusion that makes you believe that bar A is longer because of the railway tracks.

#867 - Office People Brain Teaser

There are seven people in the office. You a mad person enter the office with a loaded gun and kill six of them.
How many people still remain in the office?

Office People Brain Teaser

Eight

6(dead) + 1(Alive) + 1(you)

#868 - Math Pyramid Brain Teaser

You need to solve the below pyramid brain teaser by replacing empty boxes with a number such that every number is equal to the sum of two number below it.

Can you solve it?

Math Pyramid Brain Teaser

The Solution is stated in the image below.

#869 - Flowers Maths Algebraic Puzzle

Can you solve the below Algebraic equation?

Flowers Maths Algebraic Puzzle

25

First Equation
1Red-Flower + 1Red-Flower + 1Red-Flower = 60
Hence, 1Red-Flower = 20

Second Equation
Red-Flower + 5Blue-Petals + 5Blue-Petals = 30
20 + 10Blue-Petals = 30
10Blue-Petals = 10
Hence 1Blue-Petals = 1

Third Equation
5Blue-Petals + 2Yellow-Flower = 3
5 + 2Yellow-Flower = 3
2Yellow-Flower = 2
Hence, 1Yellow-Flower = 1

Required
Yellow-Flower + Red-Flower + 4Blue-Petals = ?
Hence, 1 + 20 + 4 = 25

#870 - Number Trick Puzzle

Can you write "Eleven Thousand Eleven Hundred And Eleven" in digits?

Number Trick Puzzle

12111
11000 + 1100 + 11 => 12111