The average attendance per week of a class of 21 during a week is 5. If the average attendance per week of 20 of them during the week is 5.1 then the attendance of the last one during the week will be______?
A.4
B.5
C.3
D.6
E.none
Show Answer
Answer=Option C
Subscribe
Connect with
I allow to create an account
When you login first time using a Social Login button, we collect your account public profile information shared by Social Login provider, based on your privacy settings. We also get your email address to automatically create an account for you in our website. Once your account is created, you'll be logged-in to this account.
DisagreeAgree
I allow to create an account
When you login first time using a Social Login button, we collect your account public profile information shared by Social Login provider, based on your privacy settings. We also get your email address to automatically create an account for you in our website. Once your account is created, you'll be logged-in to this account.