In an exam of Quants Ram has attempted all 70 question 20 es of his total attempt is wrong Only 2que...........

Quantitative Aptitude ( CCS) Radar Chart

Read the question carefully and answer the question.
Following Radar graph show the number of different type of question asked in 4 subject, (Quants, Reasoning, English, and GA) each subject has different Type of question of different marks (6, 3, 2, 1 and 0.5marks)

NOTE:
Maximum marks 100 for all
There are negative marks of 1/4 of the total marks if question is wrong
No Deduction for unattempt question

In an exam of Quants Ram has attempted all 70 question. 20 %es of his total attempt is wrong. Only 2question of 6 marks and rest 0.5 marks question were wrong. Then find out total %es of mark scored by him?

50%

77.5%

1/4%

2/3%

None of these

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Explanation:

Total question 70
6 marks question = 5 out of which 2 wrong – marks = 3*6 – (6*2)*1/4 = 15marks
3marks question = 3*5=15 marks
2marks question = 2*10=20 marks
1 marks Question = 1*20=20 marks
0.5 marks question (12 wrong) = (0.5*18) – (12*0.5*1/4) =7.5
Total marks scored is = 77.5
And %es is 77.5/100 *100 = 77.5%