Random Puzzles 

Workings

Hint
You have to highlight three numbers.

Answer
2 + 13 + 2 = 17.

The puzzle didn't ask for three digits to be highlighted!

Workings

Hints
The first letters of the words are: W, E, S, A, S, C, O, T, W, A.

Answers
Windbreak, eiderdown, sometimes, afternoon, September, carpenter, offensive, telephone, Wednesday, apartment.
win + dbr + eak = windbreak
eid + erd + own = eiderdown
som + eti + mes = sometimes
aft + ern + oon = afternoon
sep + tem + ber = september
car + pen + ter = carpenter
off + ens + ive = offensive
tel + eph + one = telephone
wed + nes + day = wednesday
apa + rtm + ent = apartment

Workings

Hint
Look for the question.

Answer
N.

Reasoning
Starting with the first letter and taking every other letter gives: TO BE OR NOT TO BE TH

Starting with the second letter and taking every other letter gives: AT IS THE QUESTIO

Combining gives: TO BE OR NOT TO BE THAT IS THE QUESTIO, and the last letter of QUESTION is missing.

Workings

Hint
The missing word is in these locations: lo---e, ---ch, s---he, ---er, va---e.

Answer
Cat.
loe  = locate ch   = catch she  = scathe er   = cater vae  = vacate