Ratio and Proportion

espeon · 2007-02-27 06:15:47

Here are loads of questions about ratio and proportion;

1.An electric fire uses 8 unites or electricity in 4h:

a) How many units does it use in 2 hours?
b) How many units does it use per hour?
c) How many units does it use in 5 hours?
d) How many hours does it take to use 16 units?
e) How many hours does it take to use 6 units?

2. If the exchange rate it 190 pesetas (Pesetas are the old currency for Spain I think) to the pound, how many pesetas would you get for;

a) £2
b) £5
c) £8
d) £25

3) If 240g of flour is need to make 18 biscuits, how many grams are needed to make:

a) 9 biscuits
b) 27 biscuits
c) 36 biscuits
d) 3 biscuits

Here are harder ones...

1. If 12 dockers can load a barge in 75 minuites how long will it take
a) 10 dockers
b) 25 dockers to load the same barge?

2. If 15 men can unload a ship's cargo in 100 minuites, how long will it take
a) 6 men
b) 20 men to unload the same cargo

3. If 15 bricklayers can build a wall in 30 hours of working time, how long will it take
a) 9 bricklayers
b) 25 bricklayers to build the same wall?

I'll post more when people finish that lot

good luck!

Devantè · 2007-02-27 07:48:21

Last edited by Devanté (2007-02-27 07:48:48)

pi man · 2007-02-27 08:05:20

espeon · 2007-02-27 08:18:12

devante-VERY GOOD! I think they are all right
pi man- Ummmm I dont know... I dont think so try again... well done though the last 2 were just mixed up.

I'll wait for tommorrow to post a new set of questions up lol

Math Is Fun Forum

#1 2007-02-27 06:15:47

Ratio and Proportion

#2 2007-02-27 07:48:21

Re: Ratio and Proportion

#3 2007-02-27 08:05:20

Re: Ratio and Proportion

#4 2007-02-27 08:18:12

Re: Ratio and Proportion

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