Random Puzzles 

Workings

Hint
The most common word begins with the letter V.

Answers
Common: vacuum, vacuumed, vacuuming, vacuums.

Less common: continuum, continuums, muumuu, muumuus.

Much less common: carduus, carduuses, continuua, duumvir, duumviral, duumvirate, duumvirates, duumviri, duumvirs, individuum, individuums, lituus, lituuses, menstruum, menstruums, mutuum, mutuums, paramenstruum, paramenstruums, residuum, residuums, squush, squushed, squushes, squushier, squushiest, squushing, squushy, triduum, triduums, ultravacuum, ultravacuums, weltanschauung, weltanschauungen, weltanschauungs.

Workings

Hint
One of the countries begins with the letter M.

Answers
Chad, China, Togo, Italy, Malta.

Dominic had a certain way with animals, he could almost talk to them. By tickling it under the chin, a rabbit would roll over and let its belly be tickled. This technique was sometimes used to good effect in gaining trust, and allowed a vital yearly treatment to be performed safely. The removal of nits. Using a vet approved shampoo to clean the fur (and not a blend of malt and water!).

Workings

Hint
Try to rotate them around in your head, but watch out for mirror images.

Answer
B.

Workings

Hint
How many walls can be built in 20 days?

Answer
4 days.

Reasoning
In 20 days, Sam can build 1 wall, and Taylor and Kelly can each build 2 walls.

So, in 20 days, 5 walls can be built.

Therefore, one wall will take 4 days to build.