GATE Civil Engineering (CE) 2015 Shift 1 Solved Paper

A tapered circular rod of diameter varying from 20 mm to 10 mm is connected to another uniform circular rod of diameter 10 mm as shown in the following figure. Both bars are made of same material with the modulus of elasticity, E = 2x10⁵ MPa. When subjected to a load P = 30π kN, the deflection at point A is _______________ mm.