What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Solve the counting riddle by identifying the number of triangles in the given picture.

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

What does the below rebus riddle means?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100