What goes up but never comes down?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

What two things can you never eat for breakfast?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

Solve the counting riddle by identifying the number of triangles in the given picture.

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

Can you find out the missing number in the grid?