Outside the middle school program / Quantities and measures 1 exercises corrected

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1. Unclassified financial years E.4020 For each line in the table below, 3 answers are proposed, but only one is correct. Indicate the question number and the correct answer. Details of the calculations are not required on the copy. a b c 1 An object coûte 12000 F . Its price increases -te of 5 % . What will its new price be? 12 600 12 500 11 400 2 A car is traveling at a speed of 50 km = h . In comlong time byshortit 110 kilometers. 2 h 20 min 2 h 12 min 60 min 3 Reducing a price by 15 % is equivalent to dividing that price by 0 ; 85 multiplying this price by 1 ; 15 multiply this price by 0.85 4 One hiker pershort 5 km in 1 h 15 min . His average speed is : 4 km = h 4.3 km = h 5.75 km = h 5 On a 1 = 25 000 -scale map, the lonlength of a rou-te is 10 cm . The actual length of this road is : 0.25 km 2.5 km 25 000 m https://chingmath.fr chapExoCorrec/4020 sacados/4020 Extrait QCM 2008 et 2009