If you say my name, I will no longer exist. What am I?

What do you see in the image below

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

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Move three sticks of the spiral below to form a square.

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

There are forty elephants and they have forty-fore heads. How can this be possible?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

Who is that with a neck and no head, two arms and no hands? What is it?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?