Question

In a test (+5)marks are given for every correct answer and (-2)marks are given for every incorrect answer
i) Radhika answered all the questions And scored 30 marks tough she got 10 correct answers?
ii) Jay also answered all the questions and scored (-12)marks though he got 4 correct answers. How many incorrect answers had they attempt​

Answer 1

Answer:

I)10 wrong

2)16 wrng

Step-by-step explanation:

1) since she got 10 questions crct 10*5=50

then her total. =30

so she lost 20 marks so we get -2 for a wrng answer = 20/2

= 10

2) total crct= 4( so he scored 4*5= 20)

total mrks=-12( 20+12=32)

(32/2= 16)

so no. of wrng answers=16