In an objective examination of 90 questions, 5 marks are allotted for every correct answer and 2 marks are deducted for every wrong answer. After attempting all the 90 questions a students got a total of 387 marks. Find the number of questions that he attempted wrong.
Let the wrong questions be x. We get the equations: (90−x) × 5−x × 2 = 387(90−x) × 5−x × 2 = 387 ⇒x=9
1297 MCQ for effective preparation of the test of of Word Problems section.
Read the MCQ statement: In an objective examination of 90 questions, 5 marks are allotted for every correct answer and 2 marks are deducted for every wrong answer. After atte .... he attempted wrong., keenly and apply the method you have learn through the video lessons for to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 128-12895.