In an examination the marks of six boys are 48, 59, 87, 37, 78, and 57 respectively. The average marks of all the six boys are :
Answer & explanation
Correct answer: option 1
Total marks of six boys
= 48 + 59 + 87 + 37 + 78 + 57 = 366
Average = Total sum/ total numbers
Required Average = 366/6 = 61