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Solve past and expected questions and prepare for all subjects' grades at once!

Perfectly prepare for your school's second semester exams with past and expected questions. The largest collection of repetitive study questions by type in Korean, English, Math, Science, Social Studies, and History. #10MillionQuestions #MidtermExam #FinalExam #PastExamQuestions #PredictedExams #Grades #ProblemBook #ProblemSolving #StudyApp #WrittenStudy

Preparing for your school's second semester exams in Korean, English, Math, Science, Social Studies, and History. Prepare in advance with our school's past and expected exam questions!

Completely reflecting the 2022 revised curriculum.

Jogbo.com's 25 years of expertise.

Customized test papers created based on analysis of difficulty and exam trends.

Study with a workbook-like approach, selecting only the exam content of your school.

Strengthened problem-solving with a focus on past and expected questions.

330 expert examiners + solution tips.

Stop memorizing answers.

Improve your problem-solving skills.

Getting stuck? "Please solve this problem."

Ask and get answers to difficult questions for free right in the app!

An interactive problem-solving community where seniors and peers answer questions.

Jokbo.com, a problem bank for internal exam preparation.

Study like a workbook and organize your incorrect answers and solution processes with the note-taking function!

Past exam questions, predicted questions, and hit test papers for all subjects.

A study app that provides a complete experience.

Why 4.95 million members chose it.

Unmatched by other apps, 10 million questions for perfect internal exam preparation.

Tested first with the new middle school and high school curriculum.

Real-time upload of school's quick genealogy.

Ranked #1 in education apps (as of the 4th week of June, based on Google Play Store)