How many such numbers are there in the above arrangement, each of which is immediately preceded by a symbol and immediately followed by a letter?
Two
Given arrangement is
@ S T 3 4 G # K ¥ % 9 B A 6 & 2 U X 8 W Q 1 π $ H L 5 V 7 β
So, such numbers are % 9 B and & 2 U.
So, only two numbers are there which are immediately preceded by a symbol and immediately followed by a letter.