Quiz — CorrDS10.pdf

Question 1 sur 10 20:00

[{"id":114179,"question":"Quelle est la solution de l'équation 3x + 5 = 20 ?","option_a":"x = 5","option_b":"x = 15","option_c":"x = 10","option_d":"x = 7","option_e":"","option_f":"","bonne_reponse":"a","explication":"Pour résoudre 3x + 5 = 20, soustrayez d'abord 5 des deux côtés : 3x = 15. Puis divisez par 3 : x = 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"x = 5\", \"b\": \"x = 15\", \"c\": \"x = 10\", \"d\": \"x = 7\"}}","_debug_options_count":4},{"id":114180,"question":"Un article coûte 80 dinars et son prix augmente de 15%. Quel est son nouveau prix ?","option_a":"92 dinars","option_b":"90 dinars","option_c":"88 dinars","option_d":"100 dinars","option_e":"","option_f":"","bonne_reponse":"a","explication":"Calculez 15% de 80 : (15\/100)*80 = 12. Ajoutez ce montant au prix initial : 80 + 12 = 92 dinars.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"92 dinars\", \"b\": \"90 dinars\", \"c\": \"88 dinars\", \"d\": \"100 dinars\"","_debug_options_count":4},{"id":114181,"question":"Vrai ou Faux : La somme des angles d'un triangle est toujours égale à 180 degrés.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"C'est une propriété fondamentale de la géométrie plane : la somme des angles internes d'un triangle est toujours de 180 degrés.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":114182,"question":"Quel est le périmètre d'un rectangle de longueur 12 cm et de largeur 5 cm ?","option_a":"34 cm","option_b":"24 cm","option_c":"17 cm","option_d":"60 cm","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le périmètre d'un rectangle se calcule avec la formule P = 2*(longueur + largeur). Ici, P = 2*(12 + 5) = 34 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"34 cm\", \"b\": \"24 cm\", \"c\": \"17 cm\", \"d\": \"60 cm\"}}","_debug_options_count":4},{"id":114183,"question":"Vrai ou Faux : 0,75 est équivalent à 3\/4.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"0,75 est bien égal à 75\/100, qui se simplifie en 3\/4. Les deux représentations sont donc équivalentes.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":114184,"question":"Quelle est la moyenne de 12, 15, 18 et 21 ?","option_a":"16,5","option_b":"15","option_c":"18","option_d":"14","option_e":"","option_f":"","bonne_reponse":"a","explication":"Calculez la somme des nombres : 12 + 15 + 18 + 21 = 66. Divisez par le nombre de valeurs (4) : 66 \/ 4 = 16,5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"16,5\", \"b\": \"15\", \"c\": \"18\", \"d\": \"14\"}}","_debug_options_count":4},{"id":114185,"question":"Vrai ou Faux : Un angle de 90 degrés est appelé angle plat.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Un angle de 90 degrés est appelé angle droit. Un angle plat mesure 180 degrés.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":114186,"question":"Quel est le résultat de 45% de 200 ?","option_a":"90","option_b":"45","option_c":"180","option_d":"200","option_e":"","option_f":"","bonne_reponse":"a","explication":"Calculez 45% de 200 : (45\/100)*200 = 90. Multipliez 0,45 par 200 pour obtenir le même résultat.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"90\", \"b\": \"45\", \"c\": \"180\", \"d\": \"200\"}}","_debug_options_count":4},{"id":114187,"question":"Vrai ou Faux : Le carré d'un nombre négatif est toujours positif.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le carré d'un nombre négatif est positif car un nombre négatif multiplié par lui-même donne un résultat positif (ex : (-3)^2 = 9).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":114188,"question":"Quelle est la solution de l'inéquation 2x - 7 \u003C 11 ?","option_a":"x \u003C 9","option_b":"x \u003E 9","option_c":"x \u003C 18","option_d":"x \u003E 18","option_e":"","option_f":"","bonne_reponse":"a","explication":"Ajoutez 7 des deux côtés : 2x \u003C 18. Puis divisez par 2 : x \u003C 9. L'inégalité reste inchangée car on divise par un nombre positif.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"x \u003C 9\", \"b\": \"x \u003E 9\", \"c\": \"x \u003C 18\", \"d\": \"x \u003E 18\"}}","_debug_options_count":4}]