What approximate value will come in place of the question mark (?) in the following questions?

324.995 x 15.98 ÷ 4.002 + 36.88 =? 

What approximate value will come in place of the question mark (?) in the following questions?

175 x 28 + 275 x 27.98 =? 

Directions: Read the following table and answer the questions below it:

In which bank was the loan disbursement more than 30 % of the disbursement of all banks combined together in 1998? 

Directions: Read the following table and answer the questions below it:

In which of the following banks, there was a continued increase in loan disbursement throughout the years?

Directions: Read the following table and answer the questions below it:

In which year was the total disbursement of loans of banks A and B exactly equal to the total disbursement of loans of banks C and D ? 

Directions: Read the following table and answer the questions below it:

What was the percentage increase of disbursement of loans of all banks together from 1997 to 1998? 

Directions: Read the following table and answer the questions below it:

In which year the disbursement of loans by all the banks combined together was nearest to the average disbursement of loans over the years? 

Directions: Each of the questions consists of a question followed by three statements. You have to study the questions and the statements and decide which of the statements(s) is/are necessary to answer the question. 

How many workers are required for completing the construction work in 10 days?
 I. 20% of the work can be completed by 8 workers in 8 days
 II. 20 workers can complete the work in 16 days
 III. One-eighth of the work can be completed by 8 workers in 5 days