In the following question find out the missing number?

Find the missing term in the following image?

find the missing number practice test 
 

Find the missing number.
10, 100, 200, 310, ?

Find the missing number?

In the following question, select the missing number from the given series.
19, 9, 28, 37, 65, ?

In the following question find out the missing number?

Which one will replace the question mark?