BrainBashers - Random Puzzles

Puzzle 1

Can you find common anagrams of the following words:
BINARY
ABROAD
RASCAL
ALTARS
BADGER
BARKED
MARBLE
UNABLE
TABLET
CALLER

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Puzzle 2

Complete this grid with the digits 1 to 6 to make the sum correct.

Perform each mathematical operation in the order shown, from left to right, so 1 + 2 x 3 is treated as (1 + 2) x 3 = 9.

Consecutive numbers are not next to each other, there is no ÷ 1, and at no point is a decimal or a fraction used.

?+?-?x?/?x?=50

Note: this puzzle is not interactive, and the squares cannot be clicked.

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Puzzle 3

Here is a set of five clues for five words that only differ by one vowel (vowels are AEIOU, but not necessarily in that order). What are the words?

small robot small part on the contrary nocturnal mammal wager
Here's another set of clues for five new words:

struck heated (archaic British) straw dwelling a head warmer not cold

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Puzzle 4

A 'complete' word is a word in which every letter, in turn, can be replaced by another to form a new word.

For example, RUG is a complete word because:
-ug = hug
r-g = rig
ru- = run

How many of the following words are not complete words? Proper nouns and names are not allowed.
hard port duck bugs bail mast thin lean fire read

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