who is silent in the parliament?

Decode below rebus
D
N
A
T
S , D

John walks into the daily grocery shop and steals a $100 bill from the shop. An hour later John returns to the shop and buys some daily products for $40. John pays the owner the $100 bill and therefore the owner returns him $60.

How much money did the owner lose?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

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

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

What has hands, but can’t clap?

How could a baby fall out of a twenty-story building onto the ground and live?

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?