Spot what is wrong here in below Picture?

I have Rs.50 and I spend it in the way as below.

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

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

Be active and find the killer in the picture Riddle below.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

A sundial has the fewest moving parts of any timepiece. Which has the most?

I can be cracked, made, told, and played. What am I?