MATHEMATICS (PART-t)QUESTION PAPER 2ime 2 Hours JMax. NasAll questions

1.	MATHEMATICS (PART-t)QUESTION PAPER 2ime 2 Hours JMax. NasAll questions are compulsoryUse of calculaior is not allowedQuestions of 8 marks (20%) are based on the IXth standard sylve the following questions : (Any Four)If n(A)130, n(B) 180, n(AnB) 110, find n(A/2Write rationalizing factor of-
Answer» Given,n(A) = 130, n(B) = 180, n(AnB) = 110, n(AUB) =? n(AUB) = n(A)+ n(B) - n(AnB) = 130 + 180 - 110 = 310 - 110 = 200

MATHEMATICS (PART-t)QUESTION PAPER 2ime 2 Hours JMax. NasAll questions are compulsoryUse of calculaior is not allowedQuestions of 8 marks (20%) are based on the IXth standard sylve the following questions : (Any Four)If n(A)130, n(B) 180, n(AnB) 110, find n(A/2Write rationalizing factor of-

Answer»

Given,n(A) = 130, n(B) = 180, n(AnB) = 110, n(AUB) =?

n(AUB) = n(A)+ n(B) - n(AnB) = 130 + 180 - 110 = 310 - 110 = 200