Multiple choice general knowledge

What do bullet proof vests, fire escapes, Windsheild Wipers and laser printers all have in common?

  1. All are made out of same material

  2. All are invented by women

  3. All are invented by one person

  4. All are used to save life
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

All four inventions - bulletproof vests (Stephanie Kwolek), fire escapes (Anna Connelly), windshield wipers (Mary Anderson), and laser printer toner cartridges (not the printer itself, but related components) - were indeed invented by women. Option B is correct.

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