In which direction should the missing arrow point?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

Which five letter word can be added at the end of below word to form a
valid word?

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It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

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?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?