Laws of Motion Part 2

Three blocks M1,M2,M3 having masses 4‌kg,6‌kg and 10‌kg respectively are hanging from a smooth pully using rope 1,2 and 3 as shown in figure. The tension in the rope 1,T1 when they are moving upward with acceleration of 2ms−2 is ............... N (if g=10m∕ s2 )