Hint
It doesn't matter what the distance is, so try a random distance.
Answer
This cannot be done.
It does not matter how far the trip is, let's assume that it is random distance, say 60 miles, and remembering that Time = Distance ÷ Speed.
The morning trip took 60 miles ÷ 30 mph = 2 hours.
To average the required 60 mph, we would have to travel the total distance (of 120 miles) in 2 hours. However, we've already used all of the two hours for the morning trip!
Choosing any random distance would also show that it can't be done.
?
Puzzle 130
Which bird is the odd one out:
finch gull eagle ostrich sparrow
At a recent painting competition, the results were mislaid. Luckily, I remembered the following:
Emery's rendition of the Constable painting was not in last place. The person who painted the Monet was very successful and took first place. Glen only just managed to avoid last place and came third. Alex beat the person who painted the Taylor, and the person who painted the Van Gogh beat Drew.
Can you determine who painted what, and who won?
Answer # Name Artist
1 Alex Monet
2 Emery Constable
3 Glen Van Gogh
4 Drew Taylor Reasoning
The four entrants were: Alex, Drew, Emery, Glen.
The four artists were: Constable, Monet, Taylor, Van Gogh.
By (2), the Monet came first.
1 Monet
2
3
4
By (3), Glen came third.
1 Monet
2
3 Glen
4
By (1), the Constable can't have been last, so must have been second (as Emery painted it, and not Glen).
1 Monet
2 Constable
3 Glen
4
The Taylor was either third or fourth, either way, by (4) Alex must have won.
1 Alex Monet
2 Constable
3 Glen
4
By (4), the Van Gogh came third, leaving Drew in last place.
1 Alex Monet
2 Constable
3 Glen Van Gogh
4 Drew
Leaving Emery in second place, and the Taylor in last place.
1 Alex Monet
2 Emery Constable
3 Glen Van Gogh
4 Drew Taylor
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