Count the number of lines in the image below ?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

Find the next number in the series below.

6 18 270 72090 ?

It belongs to you, but other people use it more than you do. What is it?

If 1+9+8=1, what is 2+8+9?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?