Question

if 80% marks secured by a student are 520.what is the total marks of exam?​

Answer 1

Answer:

650

Step-by-step explanation:

520=80%

520/4=130

130-20%

80% (520) + 20% (130) = 650

Answer 2

Answer:

THE TOTAL MARKS IS 650!!!

Step-by-step explanation:

LET THE TOTAL MARKS BE x

SO,

A.T.Q.,

80% OF x = 520

(80x)/100=520

x = (520*100)/80

x = 650

                               !!!JAI SHREE KRISHNA!!!