Refer to the following number, symbol series and answer the question. Counting to be done from left to right only.
(Left) Ω 9 2 # 1 8 $ 7 3 6 * £ + 5 4 @ % & (Right)
How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by another symbol?
A3
B5
C2
D4
Related Questions:
Refer to the following series and answer the question (all numbers are single digit numbers only).
(Left) 6 2 1 3 7 6 9 7 4 3 5 2 3 4 3 4 2 3 1 5 7 9 5 8 5 7 5 (Right)
How many such even digits are there each of which is immediately preceded by an even digit and also immediately followed by an odd digit?
