BrainBashers - Random Puzzles

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Puzzle 17

Find two words, which are anagrams of each other, which complete this sentence:

Due to a recent outbreak of a ? infection in the zebra house, the local animal sanctuary had to ? their electron microscope correctly, to ensure rapid detection.

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www.brainbashers.com /puzzle/zbzt share

Puzzle 18

Astrology begins with the letter A, biology with B.

Can you find an 'ology' that begins with a P and another that begins with an L?

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www.brainbashers.com /puzzle/zzai share

Puzzle 19

Can you find every occurrence of the word NOVEMBER that appears in this grid (horizontally, vertically, or diagonally)?

The hint will reveal the number of times it occurs, but where are they?

Note: this puzzle is not interactive, and the letters cannot be selected.

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www.brainbashers.com /puzzle/zfef share

Puzzle 20

Which is larger:

centimetres in a mile miles travelled by light in a second

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