Choose the missing terms out of the given alternatives : ATTRIBUTION, TTRIBUTIO, RIBUTIO, IBUTI, ?

One term in the number series is wrong. Find out the wrong term.<br> 8, 13, 21, 32, 47, 63, 83

One term in the number series is wrong. Find out the wrong term.<br> 46080, 3840, 384, 48, 24, 2, 1

One term in the number series is wrong. Find out the wrong term.<br> 121, 143, 165, 186, 209

Choose the missing terms out of the given alternatives : ABD , DGK, HMS, MTB, SBL, ?

Which term of the series 5, 10, 20, 40, ..... is 1280?

Choose the missing terms out of the given alternatives.<br> U, B, I, P, W, ?

Choose the missing terms out of the given alternatives : BMX, DNW, FOU, ?

Choose the missing terms out of the given alternatives : a, d, c, f, ? , h, g, ? , i