Question

in a class test of 30 question 5 marks are given for every correct answer and (-2) marks are given for every in correct answer Rehana answered all question but only 18th her answer where correct to find total her score​

Answer 1

she gets 66 marks

total marks = 30×5=150

corrected marks=18×5=90

incorrected marks=12×-2=-24

total obtained marks=90-24=66

Answer 2

Answer:

A STORE GROCER MADE A PROFIT OF 470 ON MONDAY A LOSS OF 120 ON TUESDAY AND A LOSS OF 80 ON WEDNESDAY FIND HIS NET PROFIT OR LOSS IN THREE DAYS