Math, asked by naseemalam6521, 4 months ago

A mathang examination contain two problems. problem a was solved by 70% of the student. problem b was solved by 60%. every student solved at least one question. nine students solved both the problem. how many students sat for exam

Answers

Answered by harshini2860

4

so,30 students sat for the mathang exam

Attachments:

Previous Question

Next Question

Similar questions

Science, 2 months ago

মাঝাে? শিক্ষার অন্যতম লক্ষ্য জাতীয় বিকাশ—ব্যাখ্যা করাে। (1) শিক্ষার লক্ষ্যের প্রয়ােজনীয়তা কী? শিক্ষা হল কটি জীবনব্যাপী প্রক্রিয়া—বিষয়টি সংক্ষেপে আলােচনা করাে। [XI '16] (12)শিক্ষার সমাজতান্ত্রিক লক্ষ্যগুলি আলােচনা করাে। [XI '16, 18]...

Math, 2 months ago

Q.3 Which solid shapes do the following nets form...

Math, 2 months ago

3n sq + 5n -325 =0 solve this...

Math, 4 months ago

find simple interest for RS 12000 at 8%p.a for 9 months...

English, 4 months ago

Picture comprehension for flood into five points...

Math, 10 months ago

cos⁴A-cos2A=sin⁴A-sin²A...

Chemistry, 10 months ago

what is electroplating??

Math, 10 months ago

simplify help in this question ...