Question

which formula is used to calculate class marks​

Answer 1

Step-by-step explanation:

class mark =upper limit +lower limit /2

Answer 2

Answer:

Step 1, plus all your marks like

my marks

sci 20 out of 20

maths 18.5 out os 20

history 17 out of 20

urdu 15 out of 20

islamiat 20 out of 20

sindhi 20 out of 20

20+18.5+17+15+20+20=110.5

know

20+20+20+20+20+20=120

step 2= multpliy 110.5 by 100

110.5 by 100= 11050

Step 3= divide 11050 by 120

11050 by 120 = 92.083

Step 4 = I got 92.083 marks or percentage