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?

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?

There are forty elephants and they have forty-fore heads. How can this be possible?

What is at the end of a rainbow?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What can jump higher than a building?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

I look at you, you look at me I raise my right, you raise your left. What am I?