Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Find the Goldfish below the given Image.

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Which is faster, Heat or Cold ? Explain.

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Name a key which is hardest to turn.

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?