Hong Kong Elementary School Admission Test

[Evgeny.Makarov]

The following question was supposedly given in an admissions test for an elementary school in Hong Kong.

 

[MarkFL]

That's good...it took me about 15 seconds to see the pattern, so I would just squeak by...:D

 

[I like Serena]

I did not measure the time, so I'm not sure I got there in time. :)

 

[Dethrone]

I don't think I made it in time because I tried to look for a mathematical pattern, but the use of numbers such as 8, 9, 0 made it obvious. Though, I would assume that this would actually be easier for younger kids who aren't exposed too much math or any math, as they would first turn to patterns that aren't mathematical.

 

[Evgeny.Makarov]

I remember another similar riddle from my middle school years. A father asked his daughter to go grocery shopping and said that he would leave an envelope with cash and write the enclosed sum on the envelope. The girl saw that she had \$89 and selected \$81 worth of groceries. However, at the register it turned out to her embarrassment that she not only did not have \$8 left, but she was lacking \$13. What went wrong?

 

[Dethrone]

The number was read upside down, or she dropped money on her way there.

 

[I like Serena]

I blame the father for either writing an ambiguous amount on the envelope, or for putting too little money in.