Random Puzzles 

Workings

Hint
Is there a missing letter?

Answer
Attempts.

This word contains the only letter E in the entire paragraph, notice how every other letter appears at least once.

Although the letters C, E, J, Q, V, X each all appear once, the longer the piece of text the more difficult it is to avoid the letter E.

Workings

Hint
There are 12 inches in a foot, and 1,760 yards in a mile.

Answer
Feet in a 20-mile walk.

Reasoning
There are 12 inches in a foot, 3 feet in a yard, and 1,760 yards in a mile:

   square inches in a piece of carpet 15 yards by 5 yards
      (15 x 3 x 12) x (5 x 3 x 12) = 97,200 square inches.

   feet in a 20-mile walk
      20 x 1760 x 3 = 105,600 feet.

Workings

Hints
The first letters of the words are: L, C, E, E, A, A, L, S, F, G, S, A, C, C, M.

Answers
---rnt = learnt ---few = curfew ---ryo = embryo ---yme = enzyme ---rak = anorak ---urd = absurd ---ynx = larynx ---mpi = scampi ---hom = fathom ---ovy = groovy ---lpt = sculpt ---hma = asthma ---voy = convoy ---web = cobweb ---mur = murmur

Workings

Hint
How many chocolates can they eat in one hour?

Answer
2 hours.

Reasoning
In one hour, Alex eats 27 chocolates, Billie eats 12, and Charlie eats 21.

A total of 60 chocolates.

Therefore, 120 chocolates would take 2 hours.