Decode below three cipher riddles:

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

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

Find out the missing number in the picture attached:

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What does this rebus mean?

O
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TIME