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Question-2 exercise- 2.1

Question-2 exercise- 2.1

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Apana has to answer 20 questions in an assignment. She has answered 18 questions correctly. What percentage of questions has she got correct?

class 10 exercise 8.4 question 4 part 1and2

A mathematics paper consists of 10 questions divided into two parts I and II each part containing 5 questions. A student is required to attempt 6 questions in al, taking at least 2 questions from each part. In how many ways can student select the questions?