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?

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?

What word begins and ends with an E, but has only one letter?

A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

What is wrong in the below Picture?

Can you write down eight eights so that they add up to one thousand?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.