Question

*If the sum of twelve marks is 510, what is their average?*

1️⃣ 51
2️⃣ 42.5
3️⃣ 52.5
4️⃣ none of these​

Answer 1

Answer:

sum of twelve marks is 510

their average =510/12=85/2=42.5

Answer 2

Answer:

(2) 42.5

Step-by-step explanation:

average of given no =

sum of all values/ Total no values

=510/12

=42.5