What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Can you move two match sticks to make it 430?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

Can you count the number of matches in the picture below ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

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.'

John had a bag containing colourful marbles. The colours are red, green and blue. The total number of marbles he had in his bag was 60. There are 4 times as many red marbles as green marbles. 6 more blue marbles than green marbles. How many marbles of each colour did John have?

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches