Between two book-ends in your study are displayed your four favourite love story books. If you decide to arrange the four books in every possible combination and moved just one book every minute, how long would it take you ?5
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Q: Between two book-ends in your study are displayed your four favourite love story books. If you decide to arrange the four books in every possible combination and moved just one book every minute, how long would it take you ?
- 154 minutesfalse
- 232 minutesfalse
- 348 minutestrue
- 424 minutesfalse
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