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Question Number 115902 by bemath last updated on 29/Sep/20

T h e s e c r e t n u m b e r i s m a d e f r o m

t h e n u m b e r s 1, 2, 2, 3, 3, 4, 5 .

M a n y s e c r e t n u m b e r s c a n b e c r e a t e d

i f t h e s a m e n u m b e r i s n o t a d j a c e n t

e x c e p t i n t h e f i r s t t w o p l a c e i s_

(a) 1142 (b) 1212 (c) 1246

(d) 1248 (e) 1250