Question

In a test consisting of 300 questions, Pooja answered 40% of the first 180 questions correctly. What number of the other questions does she require to answer correctly to score a total of 80 per cent in the exam?

Q: In a test consisting of 300 questions, Pooja answered 40% of the first 180 questions correctly. What

Total number of question = 300 Total no. of question to be answered correctly for her to score in exam to be 80% = 300 ×80 / 100 = 240 Required number of question = 240 - 180 ×40 / 100 = 240 – 72 = 168

A 115

B 110

C 112

D 168

E None of these

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Question

In a test consisting of 300 questions, Pooja answered 40% of the first 180 questions correctly. What number of the other questions does she require to answer correctly to score a total of 80 per cent in the exam?

Solution

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