Dragnet Numerical Reasoning Questions and Answers


Fig 2.3


21)

If in 2009 an external market force had reduced the year’s advertising revenue from Newspapers by 10% and from the Internet by 20%, then what was the total 2009 advertising revenue?

Step 1 – calculate the adjusted Newspaper revenue
6.1 x 90% = 5.49

Step 2 – calculate the adjusted Internet revenue
5.5 x 80% = 4.4

Step 3 – calculate the adjusted total 2009 advertising revenue
5.49 + 4.4 + 3.7 (television) + 1.2 (radio) = 14.79

So the correct answer is (E) £14.79 billion
22)

If the same absolute trends in advertising revenue from 2009 to 2010 continue for 2010 to 2011, then what will be the 2011 advertising revenue for Television and Internet combined?

If the same absolute trends in advertising revenue from 2009 to 2010 continue for 2010 to 2011, then what will be the 2011 advertising revenue for Television and Internet combined?
23)

If the Internet advertising forecast for 2011 is expected to split into mobile: display advertising in a 1:4 ratio, what is the mobile forecast?

The information that you need is shown in the pie-chart

Step 1 – calculate the Internet advertising forecast for 2011
31% x £20.5 billion = £6.355 billion

Step 2 – apply the ratio
1:4, so mobile = 1/5 th of £6.335 billion = £1.27 billion

So the correct answer is (C) £1.27 billion
24)

Which of the following two media are predicted together to generate £6.15 billion of advertising revenue in 2011?

Step 1 - Calculate the 2011 advertising revenue using the pie-chart data, look for the
combinations which add up to 6.15

Television: 21% x £20.5 billion = 4.305
Newspaper: 30% x £20.5 billion = 6.15
Out-of-home: 5% x £20.5 billion = 1.025
Radio: 4% x £20.5 billion = 0.82
Magazines: 9% x £20.5 billion = 1.845

So the correct answer is (E) Magazines and Television
25)

If three countries I.U.I. (Ireland, UK, Italy) are grouped together and the other two countries S.A. (Sweden, Australia) are grouped together, what is the difference between the average number of Internet searches per I.U.I. country and the average number of Internet searches per S.A. country?

Step 1 – Calculate the I.U.I. countries number of Internet searches
170 + 3,975 + 1,855 = 6,000

Step 2 – Calculate the number of Internet searches for the S.A. countries
2,412 + 9,578 = 11,990

Step 3 – Calculate the averages
I.U.I. = 6,000 / 3 = 2,000
S.A. = 11,990 / 2 = 5,995

Step 4 – Calculate the difference between the averages
5,995 – 2,000 = 3,995

Thus the correct answer is (C) 3,995 million

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