What does the below image rebus riddle means ?

What can you see in the middle of March and April that you can never see in any other month?

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

When 99 is considered higher than 100?

Can you count the number of children in the picture below

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

What part of the chicken has the most feathers?

Kareena is older than Bipasha. Bipasha is younger than Karishma and younger than Katrina. Katrina is older than Kareena and Alonso, who are older than Karishma.If Alonso and Kareena are twins, who's oldest?

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.