Question

Find the missing term : $ZA_5, Y_4B, XC_6, W_3D, \underline{\quad ? \quad}$

Accepted Answer

B. First letter: Z, Y, X, W -> next is V. Second letter: A, B, C, D -> next is E. Numbers: 5, 4, 6, 3 -> pattern -1, +2, -3, +4? Or alternating: $5-1=4, 4+2=6, 6-3=3, 3-2=1$? Looking at the options, $VE_1$ is option B.

Missing Term in Alpha-Numeric Series

Explanation

Practise this under exam conditions