1. Some equations are solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis. 5 x 4 x 3 = 70 , 6 x 5 x 4 = 140 7 x 6 x 5 = ?
7. Two motorcyclists P and Q start from the same point. P rides 11 km West, then turns South and rides 16 km, then turns to his right and rides 14 km. Q rides 30 km South, then turns to his right and rides 25 km. Where is Q with respect to P now?