what does this picture(rebus) riddle means ?

how come the second man dies?

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

Can you name four days which start with the letter 'T'?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

Complete the table series riddle by finding the number that can replace "??".

Can you Find and name the hidden bird in the picture below ?

In a school, 280 students studied chemistry, 254 students studied physics and 280 students studied biology.

97 students studied chemistry as well as physics, 138 students studied physics as well as biology and 152 students studied chemistry as well as biology.

73 students studied all the three branches.

Can you find out the total number of students?

What has many keys but can’t open a single lock?

Can you fill the blank with the correct number?

6 30 870 756030 _____