Choose the missing terms out of the given alternatives : Y, W, T, P, K, E, X, ?, ?

One term in the number series is wrong. Find out the wrong term.<br> 3, 7, 15, 39, 63, 127, 255, 511

563, 647, 479, 815, ?

One term in the number series is wrong. Find out the wrong term.<br> 1, 3, 12, 25, 48

3, 10, 101, ?

Choose the missing terms out of the given alternatives.<br> R, U, X, A, D, ?

Choose the missing terms out of the given alternatives : A, CD, GHI, ? , UVWXY

Choose the missing terms out of the given alternatives : B, D, F, I, L, P, ?

One term in the number series is wrong. Find out the wrong term.<br> 1, 5, 5, 9, 7, 11, 11, 15, 12, 17