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Question:

DIRECTIONS: Answer the questions on the basis of the information given below:


The RBI exam comprises 200 questions divided equally into four sections. The test duration is 150 min. Hit ratio (HR) is defined as the ratio of the number of correct answers to the number of wrong answers. The following table gives a detail for an aspirant Rustam Pabri.


Section

Time taken per question

(in minutes)

Hit ratio

EL

0.70

4

GA

1.00

4

QA

0.80

4

LR

1.10

3


Please note that for every correct answer, one mark is awarded; for every wrong answer, ¼  mark is deducted. No marks are deducted for questions left unanswered. The net score is obtained by deducting ¼ the number of wrong answers from the total number of correct answers.
What is the maximum number of questions that Rustam Pabri can solve in first 120 min?
Options:
A) 145
B) 160
C) 125
D) 110
Solution:

Section

Total time

Max.

Correct

Max.

Wrong

Max. net

score

EL

35 min

40

10

37.5

QA

40 min

40

10

37.5

GA

50 min

40

10

37.5

LR

55 min

36

12

33


The maximum number of attempts

= 50(EL) + 50(QA) + 45(GA) = 145

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