Subject :IMO Class : Class 10
How many such symbols are there each of which is immediately preceded by a digit and how many such digits are there each of which is immediately preceded by a symbol. What is total number of both those?
A F 9 V δ 9 V @ S 2 G R A 3 Q £ B Z 7 C Y Δ T 4 8 P F 6 @ $ 5 E H B J δ
A3
B1
C2
DNone of these