Child stas making tower of 9 cubes by ?
Ans. is 'c' i.e., 30 months Bang 2 cube 8 month Tower of 2 cubes 15 month 4 cubes 18 month 6 cubes 22 month 7 cube 24 month 9 cube 30 month 10 cube 36 month
18 months
24 months
30 months
36 months