Mathematics · May / June 2025 · Paper 41 · Question 22
0580
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0580/41/M/J/25 © UCLES 2025 22 ! ħ V ¤ V is 50, correct to the nearest 10. Ē is 13, correct to the nearest integer. Calculate the upper bound of !. [3]
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4.4 nfww [3]
+ 3
M2 for 50 to 60 or 50 5 oe − 13 0.5 12 to 13
or M1 for 50 + 5, 50 – 5, 13 + 0.5 or 13 – 0.5 seen
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