Question

In a Science Olympiad containing 25 questions, students are awarded 4
marks for each correct answer, (-1) for each incorrect answer and 0 marks for
questions not attempted. Trisha gets 10 correct answers and 9 incorrect
answers. What is her score?

Answer 1

step by step explanation

no of marks for correct answers = 4

no of marks for incorrect answers = -1

no of questions asked = 25

total marks for exam =4×25

= 100

marks Trisha get = 4×10-9

= 31

hope the answer is helpful

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