Random Puzzles 

Workings

Hint
You might need an old calculator.

Answer
Coil.

Reasoning
This is the only word that cannot be spelled using a calculator.

For example, if you enter 376616 into an old-fashioned calculator, and look at the number upside down, you can read GIGGLE.
376616  = giggle
7105    = soil
57738   = bells
378806  = gobble
4506    = gosh
5508    = boss
3704    = hole
5355378 = blesses
coil    = ????

Workings

Answer
5 tonnes of chicken feed, 10 tonnes of pig feed and 85 tonnes of cattle feed.

Workings

Hint
The first word begins with the letter Z.

Answers
-e--a   = zebra   (ZBR) -ui-ar  = guitar  (GT) --ick   = quick   (QU) -a-     = sad     (SD) bo-     = box     (X) -owe-   = vowel   (VL) -on-ey  = monkey  (MK) -el     = eel     (E) ra-     = ray     (Y) ---kage = package (PAC) --ll    = will    (WI) mo--    = moon    (ON) -eap    = heap    (H) -eep    = jeep    (J) -un     = fun     (F)
Alternative Answers
Zebra, guitar, quick, jam, box, vowel, donkey, eel, ray, package, will, moon, heap, seep, fun.

Zebra, guitar, quick, jaw, box, vowel, monkey, eel, ray, package, fill, moon, heap, deep, sun.

Zebra, guitar, quick, lay, box, vowed, monkey, eel, ran, package, will, mojo, heap, seep, fun.

Zebra, guitar, quick, way, box, vowel, monkey, eel, raj, package, sill, moon, heap, deep, fun.

Zebra, guitar, quick, say, box, vowed, monkey, eel, raj, package, hill, moon, leap, weep, fun.

Zebra, guitar, quick, has, box, vowed, monkey, eel, ray, package, will, moon, leap, jeep, fun.

Zebra, guitar, quick, oaf, box, vowel, monkey, eel, ray, package, dill, mown, heap, jeep, sun

Can you find another?

Workings

Hint
One of the words is PALM.

Answer
Trip, Trio, Open, Pale, and Palm.