Data Interpretation

Detailed Solution

57. Step 1 – Calculate the regional sales for the current year using the table.
Step 2 – Compare the numbers from Step 1 to the figures for the previous year and for next year, as follows;
Region Previous Year Current year Next Year's Projection
Northern 310 310 320
Southern 170 160 165
Eastern 290 300 275
Western 255 280 270
Central 110 90 125
Only the Northern region has maintained sales at 310 for the previous and current year, as well as projecting an increase in sales to 320 for next year. Thus the correct Answer is Northern region

58. Step 1 - Calculate the difference between the highest regional sales (Northern) and thelowest regional sales (Central) 310 – 90 = £220 million
Thus the correct Answer is £220 million

59. Calculate the new regional sales for the 4 regions affected and sum these, as shown in the table below;
Region Next Year's Projection New projection
Northern 320 x 3/4 = 240
Southern 165 x 4/5 = 132
Eastern 275 x 4/5 = 220
Western 270 x 3/4 = 202.5
Central 125 125
TOTAL 919.50
Thus the correct Answer is £919.50 million

60. Step 1 – put the Previous Year’s sales for these regions into a ratio 110:290
Step 2 – put the Current Year’s sales for these regions into a ratio 90:300
Step 3 – simplify these ratios by dividing by the highest common denominator 11:29 for Previous Year (after division by 10)
3:10 for Current Year (after division by 30)
So the correct answer is 11:29 (Previous Year); 3:10 (Current Year)

61.

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