what does the below math rebus puzzle mean?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

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

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.

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

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

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

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

What is the difference between a jeweller and a jailer?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?