A dad offered to pay her daughter Rs 5 for every correct answer on her maths test. Her daughter said she would pay her dad Rs 8 for every incorrect answer.There were 26 questions on the test and no money was exchanged. How did this happen?
16 correct answers, 10 incorrect answers let x be correct answers and 26-x wrong answers 5x-8(26-x)=0 gives c=16 means 80 to receive and 10*8=80 to pay. No money exchanged. Thanks
Right Answer 16*5 = 80 Wrong Answer 10 *8= 80
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