There are nine members in a family: \(M,N,O,X,Y,Z,I,J,Q\). Four are females and there are three married couples. \(M\) is the paternal uncle of \(I\). \(J\) has only two children. \(O\) is married to \(N\). \(X\) and \(Y\) are sons of \(O\); \(Y\) is unmarried. \(Z\) is married to \(J\) and \(Z\) is male. \(N\) is the son-in-law of \(I\). How is \(N\)'s sister-in-law related to \(J\)'s brother-in-law?
Three lamps A, B and C as shown in the figure above are burning using oil as its source of energy. Three incense sticks, E, F and G are taken. E is dipped in oil, F is dipped in petrol and G is dipped in water and are immediately placed over the wick of A, B and C respectively. Then
