Answer / harsha chaudhari

The last two sequences are wrong

the sequence is of order
x, (x+1) 2(x+1),...
the correct sequence would be
1,3 6,7 14,15 30, 31

Answer / guest

Error is at 46. Correct one is 29+1=30

Answer / nirma

last two is error
correct ans is :30 and 31

Answer / pk

2,3 6,7 14,15 30,31

3*2=6
7*2=14
15*2=30

Answer / vishal pitaliya

2,3,6,7,14,15,30,31,62,63,126,127...


2*3=6 (took 2nd digit which is 3)

next is increament by one 6+1=7

2*7=14 (took 4nd digit which is 7)

next is increament by one 6+1=7

2*15=30 (took 6nd digit which is 15)

next is increament by one 6+1=7

2*31=62 (took 8nd digit which is 31)

next is increament by one 6+1=7

2*63=126 (took 8nd digit which is 63)

next is increament by one 6+1=7

and so on

Answer / monti

45

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