I.Q. Test 37
February 28, 2007 1:07am CST
37. A group of old ladies meet for an afternoon tea party. They bring all their cats. In all, there are 22 heads and 72 feet. How many old ladies and how many cats are in the room? a. 6 old ladies and 16 cats b. 7 old ladies and 15 cats c. 8 old ladies and 14 cats d. 9 old ladies and 13 cats e. 10 old ladies and 12 cats f. I don't know and why?
• Sri Lanka
2 Mar 07
Lets say there are L number of old ladies and C number of cats. The number of heads will be. L + C = 22 The number of feet will be. 2L + 4C = 72 Multiply the first formula by 2 2L + 2C = 44 Substract this from the second formula 2C = 28 C = 14 So the number of cats are 14. Substitute this in the first formula. L + 14 = 22 L = 8 So there were 8 old ladies and 14 cats, provided there were no amputees.