Answer / ravi

16*1/2=8
8*3/2=12
12*5/2=30
30*7/2=105
105*9/2=472.5

Answer / sunil venkat katkade

16 8 12 30 105 ?
0.5 1.5 2.5. 3.5. 4.5
Ans. 105×4.5=472.5

Answer / yogesh

385
2*2*2*2=16
2*2*2=8
2*2*3=12
2*3*5=30
3*5*7=105
5*7*11=385

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