প্রশ্ন সংশোধন করুন
প্রশ্ন:
Group a has 20 members and Group B has 28. If a total of 42 people belong to the two groups, how many people belong to both groups?
Group a has 20 members and Group B has 28. If a total of 42 people belong to the two groups, how many people belong to both groups?