1. If square root of xy = x+y, find x and y. Where xy is a two-digit number (it is not x multiply y).
e.g. square roof of 16 ≠ 1+6. [Level of difficulty: 1/5]

2. If 10 cats can catch 10 mice in 10 minutes, how many cats are required to catch 100 mice in 100 minutes? [Level of difficulty: 3/5]

3. A man wishes to take 4 litres of water out of a swimming pool. But he has only one 5-litre and 3-litre jars. How can he do it? [Level of difficulty: 3/5]

4. 3 hens can lay 3 eggs in 3 days. How many eggs can 2 hens lay in 2 days? [Level of difficulty: 1/5]

5. A car leaves Singapore for Kuala Lumpur at the same time as a bus, which leaves Kuala Lumpur for Singapore. They travel at the same road, the car at 110km/h and the bus 55km/h. Which vehicle is further away from Singapore when they meet? [Level of difficulty: 1/5]

6. 99 boys and 1 girl are in a hall. How many boys must leave so that the percentage of boys becomes 98%? [Level of difficulty: 2/5]

7. If Tom takes 1 minutes to climb up from ground floor to 4th level. How long will he take to climb up from ground floor to 8th level? (*assume that he climbs at same speed throughout the levels) [Level of difficulty: 3/5]


*[Level of difficulty: 1 is the easiest and 5 is the hardest]
Please e-mail (wei_song_xx@yahoo.com) me the answers for all the questions!
Prize will be given to the top winner(only one) after the holiday!
(Only 3E1 can participate in the quiz, except Zhi Yuan and Nassim)
Closing date: 15 March.

Look forward to your entries.

Knowledge is meant to be shared,
Agus

10:19 PM;