Question

Q4.In an objective type test containing 25 questions. A student is to be awarded + 5 marks for every

correct answer, –5 for every incorrect answer and zero for not writing any answer. Mention the ways

of scoring 110 marks by a student.​

Answer 1

Step-by-step explanation:

Marks scored = +110 So minimum correct responses = 110 ÷ +5 = 22 Case 1 Correct responses = 22 Marks for 1 correct response = + 5 Marks for 22 correct respones = +110 22 × 5 Marks scored = +110 Marks obtained for incorrect answer = 0 So no incorrect response And therefore 3 were unattempted Case 2 Correct responses = ...

Answer 2

Answer:

Marks scored = +110 So minimum correct responses = 110 ÷ +5 = 22 Case 1 Correct responses = 22 Marks for 1 correct response = + 5 Marks for 22 correct respones = +110 22 × 5 Marks scored = +110 Marks obtained for incorrect answer = 0 So no incorrect response And therefore 3 were unattempted Case 2 Correct responses