book Maths Puzzle Numerical Ability

A farmer buys 100 animals for $100.00. He buys at least one of each of the following: cow ($10.00); pig ($3.00); and a chicken ($.50). How many of each did he buy?

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book Other Question

3z-8<10z-2-8z Four Ladiess are waiting to cross a bridge at night. They can only cross the bridge 2 at a time and they must carry a lantern over and back or they will not be able to see. Lady A