Puzzle quiz 1

What is in it

1. Question 1

   3 switches outside, 3 bulbs inside, enter once. How to identify?

   • A.Turn all on at once
   • B.Turn on one, wait, turn off, turn on another, enter and check heat/light
   • C.Impossible
   • D.Use a mirror

2. Question 2

   A farmer has 17 sheep. All but 9 die. How many are left?

   • A.0
   • B.9
   • C.8
   • D.17

3. Question 3

   3-digit number: tens digit is 5 more than ones, hundreds is 8 less than tens. What is it?

   • A.172
   • B.261
   • C.194
   • D.283

And 7 more questions. Play the quiz to answer them all against the clock.