Learning Bar

March 18, 2010

Coins

Which would be worth more, a pound of $10 pure gold coins or half a pound of $20 pure gold coins; or would they be worth […]
March 18, 2010

Eyes

Yesterday I went to the zoo and saw the giraffes and ostriches. Altogether they had 30 eyes and 44 legs. How many animals were there? Solution: […]
March 18, 2010

Socks

If you have black socks and brown socks in your drawer, mixed in a ratio of 4 to 5, how many socks will you have to […]
March 18, 2010

Water lilies

Water lilies double in area every 24 hours. At the beginning of summer there is one water lily on the lake. It takes 60 days for […]