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?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

I can write cow in 13 letters.

Can You?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.