Question

In a test (+5) marks are given for every
correct answer and (-2) marks are given for
every incorrect answer.
1] Radhika answered all the questions and scored 30 marks
through 10 correct answers. (ii)Jaya also
answered all the questions and scored (-12)
marks through 4 correct answers. How many
incorrect answers had both Radhika and
Jaya attempted?

Answer 1

Step-by-step explanation:

problem is solved in picture

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