Choose the missing terms out of the given alternatives : AZY, BUT, CXW, DWV, ?

Choose the correct order of the given alternative : AFI, JOR, MRU, ?

Choose the missing terms out of the given alternatives : A, D, H, M, ?, Z

Choose the missing terms out of the given alternatives.<br> ejo tyd ins xch ?

125, 80, 45, 20, ?

5, 6, 9, 15, ?, 40

One term in the number series is wrong. Find out the wrong term.<br> 10, 26, 74, 218, 654, 1946, 5834

One term in the number series is wrong. Find out the wrong term.<br> 2, 5, 10, 50, 500, 5000

6, 12, 21, ?, 48