Question

Please answer this with explaination

Answer 1

Average marks = sum of marks
____________
Total no of terms
80 = 382+x/6
382+x = 480
X = 98
Your ans is c (98)

Answer 2

◀ HERE'S ⏬ YOUR ANSWER▶

Number of subjects = 6.

Then,
$\frac{75 + x + 80 + 82 + 90 + 65}{6} = 80$
or, x + 392 = 480
or, x = 88.

Hence the value of x is 88.

⏏HOPE THIS ⬆ HELPS YOU⏏