6.3 class 10 question 6 July 8, 2019 16 32 64 128 Class 10 6.3 question number 6 Ex 6.3 class 10 q12 Q13 ex 6.3 class 10 Grade 6 module 3 lesson 10 problem set Triangles class 10 ex 6.3 q 12 Q13 6.3 class 10