9. If 5 monkeys take 5 minutes to eat 5 bananas
i) How many minutes would it take for 4 monkeys to eat 4 bananas?
ii) How many monkeys would it take to eat 25 bananas in 25 minutes?
Answer : i) 5 minutes ii) 5 monkeys
10. A 31" x 31" square metal plate needs to be fixed by a carpenter on to a wooden board. The carpenter uses nails all along the edges of the square such that there are 32 nails on each side of the square. Each nail is at the same distance from the neighboring nails.
How many nails does the carpenter use?
Answer : 124 nails
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