CH 7 से CH 9 12th Maths के बेहतरीन Objective + Subjective अति महत्वपूर्ण प्रश्न

UP बोर्ड 2020 | कक्षा 12th गणित के लिए महत्वपूर्ण प्रश्न | Most Important Questions | Class 12

12th Chemistry महत्वपूर्ण प्रश्नों का महा-संग्राम | 12th Chemistry Most Important Objective Question

Class 12 Boards Maths | किस Chapter से कितने Marks के Questions ? CBSE 2019 Important Questions

In a school, students must take at least one of these subjects: Maths, Physics or Chemistry. In a group of 50 students, 7 take all three subjects. 9 take Physics and Chemistry only, 8 take Maths and Physics only and 5 take Maths and Chemistry only. Of these 50 students, x take Maths only, x take Physics only and x + 3 take Chemistry only. Draw Venn diagram, find x, and hence find the number taking Maths.

The sum of 5 th and 9 th term of an A.P.is 72 and the sum of 7 th and 12 th terms is 97. Find that

The sum of 5th and 9th terms ofan AP is 72 and the sum of 7th and 12th terms is 97. Find the AP.

Class 12 New Session 2024-25? आरंभ बोर्ड 2025 का✅ 11th से 12th में जाने वाले बच्चों के लिए VVI Video