What famous saying does this rebus mean?

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On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

Why do Chinese men eat more rice than Japanese men do ?

Find the missing number in the sequence below: