What will be the next term in the given pattern? A1, B2, C3, D4, E5, ...
Observe the following pattern,
1, 4, 7, 10, 13
What will be the next term?
Match the following. ColourChemical(A)Red(1)Tartrazine(B)Blue(2)Carmoisine(C)Yellow(3)Indigo carmine