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SET 40, Q1. Correct Answer: E
We need to calculate the total amount of fat consumed and then calculate the daily consumption.
We need to work out the total amount of fat consumed, which is the amount per person (both saturated and unsaturated), multiplied by the number of people. This gives: (2.44 + 2.19) × 60120 = 278356 This is now in kg/year and we want the daily rate, so we divide by 365 days/year: 278356 / 365 = 762.6 kg/day
You must be careful at this point not to think you have finished the question and mark option B as the correct answer, because you still have to correct the order of magnitude. The population is in thousands so we need to multiply by 1000, giving us 762600 kg per day. The answer options expressed in kg are much lower figures than this, but if we divide by 1000, to convert kg to tonnes, we get 762.6 tonnes, which is option E.
– Question 13 (page 49): instead of options, it directly gives the answers.
Correct questions:
A. The bridge above a valley in the Shiniuzhai National Geological Park was entirely rebuilt to make it safer than the original wooden bridge.
B. The Shiniuzhai National Geological Park’s bridge and the bridge in the Zhangjiajie Grand Canyon area are designed by architect Haim Dotan.
C. China is the only country to build features like these dizzying structures.
D. The bridge above a valley in the Shiniuzhai National Geological Park is 300 metres long and made of glass panes that are 24mm thick.