Random Puzzles 

Workings

Hint
This is a simple substitution cipher.

Answer
50.

This puzzle is a simple test to see how easy a ROT13 part encrypted puzzle can be. Every other letter has been converted to ROT13 and the other letters are left as they were. But, you may ask, what is the puzzle? Well, how many words are in this puzzle!

ROT13 replaces each character with the one 13 places away.
A = N, B = O, C = P, D = Q, E = R, F = S, G = T, H = U, I = V, J = W, K = X, L = Y, M = Z, N = A, O = B, P = C, Q = D, R = E, S = F, T = G, U = H, V = I, W = J, X = K, Y = L, Z = M.

Workings

Hints
The first letters of the words are: C, N, D, M, S, S, Y, P, P, H, C, A, P, B.

Answers
-----rue = construe -----jar = nightjar -----dil = daffodil -----any = mahogany or epiphany -----pox = smallpox -----gth = strength -----elf = yourself -----oia = paranoia -----ige = prestige -----hog = hedgehog -----too = cockatoo -----dix = appendix -----fin = paraffin -----upt = bankrupt

Workings

Hint
Think of squares and cubes.

Answer
512.

Each term alternates between a square and a cube, 8 3 = 512.

Workings

Answer
726: (n! + n).