RRB RPF RPSF SI and CONS Model Papers 5 with solutions

Question : 84 of 119

Marks: +1, -0

In an examination, there are three subjects of 100 marks each. A student scores 60% in the first subject and 80% in the second subject. He scores 70% in aggregate. His percentage of marks in the third subject is

Validate

Solution:

(4) Total marks scored in all three subjects

= {300 × 70}/{100}=210

Marks scored in third subject

= 210- 60 -80 =70

So, he scored 70% marks in the third subject.

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