Shell Past Questions And Solutions


Study the table and answer the questions below it.


86)

What percentage of the tornados in 2007 had an intensity of 73-112?
 

 


Correct answer: A

Explanation
2007 tornado with intensity of 73 -112 = 103
Total tornados in 2007 = 427
% of tornados in 2007 that had an intensity of 73-112 = (103/427) x 100
= 24%

87)

By what percentage did the number of tornados increase between 2005 and 2006?
 

 



Correct answer: B

Explanation
Tornados in 2006 = 479
Tornados in 2005 = 380
Increase between 2005 and 2006 = (479 -380)/380 x 100
= 26%

88)

What is the ratio of the number of tornados in 2008 to those in 2005?
 


Correct answer: B

Explanation
Number of tornados in 2008 to those in 2005 is

= 297: 380
= 1: 1.28

Study the table and answer the questions below it


89)

Which two manufacturing plants have the same total maintenance costs per week?

 


Correct answer: E

Explanation
The maintenance cost of the manufacturing plants is as follows Mainlands = 2816
Bordeaux = 2790
Berlin = 2451
Amsterdam = 2799
Glasgow = 2704
Hence no two have the same maintenance cost

90)

What is the average annual cost for servicing each of the 5 manufacturing plants (assume 4
weeks in a month)?
 

 


Correct answer: E

Explanation
Average weekly servicing cost = (1050 + 1100 + 950 + 1025 + 875)/5 = 1000 Assuming there are 4 
weeks in a month, then we have 48 weeks in a year.
Hence Average annual servicing cost = 1000 x 48 = 48,000