Once 4 students for class IX were selected for plantation of flower plants in the school garden. The selected students were Pankaj, Raju, Deepak and Renu.
AX PpxQ
qy
z 60° MBN
ab Y
As shown PQ and MN are the parallel lines of the plants. Pankaj planted a sunflower plant at P, then Raju planted another sunflower at Q. Further , Deepak was called to plant any flowering plant at M. He planted a Marry gold there. So now it was the turn of Renu , she was told to plant a fower plant different from three planted one. So she planted a rose plant at N. There was a water pipe line XY which intersects PQ and MN at A and B and ∠XBN = 60°.