Mathematics · May / June 2024 · Paper 42 · Question 1
0580
As printed in the paper
Show the answer and mark scheme
1(a)[2]
10 : 3 final answer [2]
M1 for 1500 : 450 oe in ratio form If 0 scored
SC1 for answer 3 : 10
1(b)[3]
360 240 400 [3]
B2 for answer 0.36 0.24 0.4 or for answer two of 360 240 400 1000 10 ×
or M1 for [ k where k = 1, 9, ] + + 9 6 6 or 10 If 0 scored,
SC1 for answer with 3 values in ratio 9 : 6 : 10 in that order
1(c)[2]
3.68 cao [2]
M1 for 15 + × 1 3.2 oe 100
or B1 for answer 0.48
1(d)[2]
18 804[.0...] [2]
5 2.5 1 for 16620 × 1 + oe 100
1(e)[3]
3.95 [3]
M2 for 22.5 – (18.5 to 18.6) or (22 to 23) −18.55
or M1 for 23 – 0.5 oe seen or 23 + 0.5 oe seen or 18.5– 0.05 oe seen or 18.5 + 0.05 oe seen
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