When it's bad luck to meet a black cat?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

Count the number of squares in the picture below.

Can you decipher the below rebus?

PBLUESAISNUERSES

Find the hidden panda in the image below.

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

Can you count the number of triangles inside a triangle?

Find the missing number in the sequence below:

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Through your logical capabilities, can you make 7 an even?