Quiz — 77.DOC

Question 1 sur 10 20:00

[{"id":11923,"question":"Quel est le résultat de 45 × 12 ?","option_a":"480","option_b":"540","option_c":"560","option_d":"600","option_e":"","option_f":"","bonne_reponse":"b","explication":"45 × 12 = (40 × 12) + (5 × 12) = 480 + 60 = 540. Cette méthode utilise la distributivité de la multiplication.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"480\", \"b\": \"540\", \"c\": \"560\", \"d\": \"600\"}}","_debug_options_count":4},{"id":11924,"question":"Un angle de 90° est appelé :","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un angle de 90° est effectivement appelé angle droit, c'est une définition fondamentale en géométrie.","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":11925,"question":"Quelle est la fraction irréductible équivalente à 18\/24 ?","option_a":"3\/4","option_b":"6\/8","option_c":"9\/12","option_d":"2\/3","option_e":"","option_f":"","bonne_reponse":"a","explication":"18\/24 se simplifie en divisant numérateur et dénominateur par 6 : (18÷6)\/(24÷6) = 3\/4.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"3\/4\", \"b\": \"6\/8\", \"c\": \"9\/12\", \"d\": \"2\/3\"}}","_debug_options_count":4},{"id":11926,"question":"Le périmètre d'un carré de côté 5 cm est :","option_a":"10 cm","option_b":"15 cm","option_c":"20 cm","option_d":"25 cm","option_e":"","option_f":"","bonne_reponse":"c","explication":"Le périmètre d'un carré se calcule par P = 4 × côté = 4 × 5 = 20 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"10 cm\", \"b\": \"15 cm\", \"c\": \"20 cm\", \"d\": \"25 cm\"}}","_debug_options_count":4},{"id":11927,"question":"La somme des angles d'un triangle est toujours égale à 180°.","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 euclidienne : la somme des angles internes d'un triangle est toujours 180°.","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":11928,"question":"Quel est le PGCD de 36 et 48 ?","option_a":"6","option_b":"12","option_c":"18","option_d":"24","option_e":"","option_f":"","bonne_reponse":"b","explication":"Les diviseurs de 36 sont : 1, 2, 3, 4, 6, 9, 12, 18, 36. Ceux de 48 : 1, 2, 3, 4, 6, 8, 12, 16, 24, 48. Le plus grand commun est 12.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"6\", \"b\": \"12\", \"c\": \"18\", \"d\": \"24\"}}","_debug_options_count":4},{"id":11929,"question":"Un rectangle a une longueur de 8 cm et une largeur de 3 cm. Son aire est :","option_a":"11 cm²","option_b":"22 cm²","option_c":"24 cm²","option_d":"32 cm²","option_e":"","option_f":"","bonne_reponse":"c","explication":"L'aire d'un rectangle se calcule par A = longueur × largeur = 8 × 3 = 24 cm².","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"11 cm²\", \"b\": \"22 cm²\", \"c\": \"24 cm²\", \"d\": \"32 cm²\"}}","_debug_options_count":4},{"id":11930,"question":"Le nombre 0,75 est égal à :","option_a":"3\/4","option_b":"1\/2","option_c":"2\/3","option_d":"5\/8","option_e":"","option_f":"","bonne_reponse":"a","explication":"0,75 = 75\/100 = 3\/4 après simplification par 25.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"3\/4\", \"b\": \"1\/2\", \"c\": \"2\/3\", \"d\": \"5\/8\"}}","_debug_options_count":4},{"id":11931,"question":"Un angle de 180° est appelé angle plat.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un angle de 180° est bien appelé angle plat, car il forme une ligne droite.","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":11932,"question":"Quel est le résultat de 3\/4 + 1\/2 ?","option_a":"4\/6","option_b":"5\/4","option_c":"3\/2","option_d":"7\/8","option_e":"","option_f":"","bonne_reponse":"b","explication":"3\/4 + 1\/2 = 3\/4 + 2\/4 = 5\/4 après mise au même dénominateur.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"4\/6\", \"b\": \"5\/4\", \"c\": \"3\/2\", \"d\": \"7\/8\"}}","_debug_options_count":4}]