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My only timepiece is a wall clock. One day I forgot to wind it and it stopped. I went to visit a friend whos watch is always correct, stayed awhile, and then went home. There I made a simple calculation and set the clock right. How did I do this even though I had no watch on me to tell how long it took me to return from my friend’s house?
Answer: Before I left, I wound the wall clock. When I returned, the change in time equaled how long it took to go to my friends house and return, plus the time I spent there. But I knew the latter because I looked at my friends watch when I arrived and left. Subtracting the time of the visit from the time I was absent from my house, and dividing by 2, I obtained the time it took me to return home. I added this time to what my friend watch showed when I left, and set the sum on my wall clock.
Solution:
Show Answer
Before I left, I wound the wall clock. When I returned, the change in time equaled how long it took to go to my friends house and return, plus the time I spent there. But I knew the latter because I looked at my friends watch when I arrived and left.
Subtracting the time of the visit from the time I was absent from my house, and dividing by 2, I obtained the time it took me to return home. I added this time to what my friend watch showed when I left, and set the sum on my wall clock.
Show Answer
Subtracting the time of the visit from the time I was absent from my house, and dividing by 2, I obtained the time it took me to return home. I added this time to what my friend watch showed when I left, and set the sum on my wall clock.
Shoe, Man and Strap Puzzle with answer
Answer: 43
Solution:
Click here for Detail explanation
Equation 1:
10+10+10=30
Equation 2 :
5+5+10 =20 (from eq1 one pair shoe =10)
Equation 3:
4+4+5=13 (from eq2 man=5)
Equation 4:
5+(5+4+10)*2=?
Hint : A man wearing shoes and strap in each hand
Apply BODMAS here
5+19*2=?
5+38=43
Correct answer is 43
Click here for Detail explanation
Equation 1:
10+10+10=30
Equation 2 :
5+5+10 =20 (from eq1 one pair shoe =10)
Equation 3:
4+4+5=13 (from eq2 man=5)
Equation 4:
5+(5+4+10)*2=?
Hint : A man wearing shoes and strap in each hand
Apply BODMAS here
5+19*2=?
5+38=43
Correct answer is 43