Answer :
Answer:
15
Step-by-step explanation:
marks for correct answers = 5×5= 25
marks lost for incorrect answers = 5 ×2= 10 or -10 gained
so total marks = 25 +(-10) = 15
Answer:
15
Step-by-step explanation:
marks for correct answers = 5×5= 25
marks lost for incorrect answers = 5 ×2= 10 or -10 gained
so total marks = 25 +(-10) = 15