O-LevelMathematicsNumber4024/21 · Oct/Nov 2016 · Q19 Marks
In 2016, the price of a television is $1995.
- (a)(i)Afzal pays the $1995 with a deposit of $399 and 12 equal monthly payments. Calculate Afzal's monthly payment.[1]
- (a)(ii)What percentage of $1995 is $399?[1]
- (a)(iii)The price of the television in 2016 is 5% more than the price in 2015. Calculate the price in 2015.[2]
- (b)Afzal watched a programme that lasted 2 hours 53 minutes. It ended at 01 15. At what time did it start?[1]
- (c)A company paid a quarter of a million dollars for an advertisement that lasted 38 seconds. Calculate the cost, correct to the nearest hundred dollars, for each second of the advertisement.[2]
- (d)The programme showed an athlete running 100 metres, measured correct to the nearest metre. The time the athlete took was 11.3 seconds, measured correct to the nearest 0.1 second. Calculate the upper bound of the athlete's average speed.[2]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2016). The mark or mark type is shown in brackets.
- [1] (a)(i) 133
- [1] (a)(ii) 20
- [2] (a)(iii) 1900 M1 for 1995 / 105
- [1] (b) 22 22 or 10 22 pm
- [2] (c) 6600 final answer M1 for 1000000 / (4×38) oe
- [2] (d) 8.93 B1 for 100.5 or 11.25 used
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