1. Multiple choice questions

1. If \(n(A \cup B \cup C) = 100\), \(n(A) = 4x\), \(n(B) = 6x\), \(n(C) = 5x\), \(n(A \cap B) = 20\), \(n(B \cap C) = 15\), \(n(A \cap C) = 25\) and \(n(A \cap B \cap C) = 10\), then the value of \(x\) is 15253010.

 

2. If \(J =\) Set of three sided shapes, \(K =\) Set of shapes with two equal sides and \(L =\) Set of shapes with right angle, then \(J \cap K \cap L\) is Set of equilateral trianglesSet of right angled trianglesSet of isoceles right trianglesSet of isoceles triangles.

 

3. In a city, \(40\%\) people like only one fruit, \(35\%\) people like only two fruits, \(20\%\) people like all the three fruits. How many percentage of people do not like any one of the above three fruits? 158105