Question

An examination consists of 100 questions. Two marks are awarded for every correct options. If one mark is deducted
for
every wrong option and half mark is deducted for every questions left, then a student scores 135. Instead if half
mark is deducted for every wrong option and one mark is deducted for every question left then a student scored
123. Find the number of questions left unattempted by the student.​

Answer 1

Answer:

left-3

Step-by-step explanation:

unattempted-4