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amir
10y ago
2,5,18,36,?
3
PRACHI AWASTHI 10y ago
74
suraj bodhe 10y ago
hey prachi please give explanation........
PRACHI AWASTHI 10y ago
2,5,18,36,?
5-2=3
18-5=13
36-18=18
similarly again substracting,
13-3=10
18-13=15
now following the reverse order
18+20=38 then add 36 to 38
36+38=74
