Question

How many 6’s are there in the following sequence which are either immediately followed by ‘6’ or immediately preceded by ‘6’? 
Sequence:  561266379463106684

• A. Five
• B. Four
• C. Six
• D. Two

Hint:

For digit pattern questions, scan carefully and check both left and right neighbors for each target digit.

Answer 1

The Correct Option is B

Concept: We need to count only those digits ‘6’ which have another ‘6’ either just before or just after them. 
Step 1: Write the sequence clearly. 
\[ 561266379463106684 \] 
Step 2: Identify positions of ‘6’. 
Positions of 6: \[ 2,\ 5,\ 6,\ 10,\ 13,\ 15 \] 
Step 3: Check adjacency condition.

• Position 2 → not adjacent to 6 $\times$
• Position 5 → next is 6 \(\checkmark\)
• Position 6 → previous is 6 \(\checkmark\)
• Position 10 → not adjacent to 6 $\times$
• Position 13 → not adjacent to 6 $\times$
• Position 15 → previous is 6 \(\checkmark\)

Additionally, the 6 before position 15 (i.e., position 14) also satisfies adjacency. 
Thus total valid 6’s = 4. 
Hence, the correct answer is Four.