Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

## #1 2007-02-28 05:15:47

espeon
Real Member

Offline

### 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!

Presenting the Prinny dance.
Take this dood! Huh doood!!! HUH DOOOOD!?!? DOOD HUH!!!!!! DOOOOOOOOOOOOOOOOOOOOOOOOOD!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

## #2 2007-02-28 06:48:21

Devantè
Real Member

Offline

### Re: Ratio and Proportion

Last edited by Devanté (2007-02-28 06:48:48)

pi man
Power Member

Offline

## #4 2007-02-28 07:18:12

espeon
Real Member

Offline

### Re: Ratio and Proportion

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

Presenting the Prinny dance.
Take this dood! Huh doood!!! HUH DOOOOD!?!? DOOD HUH!!!!!! DOOOOOOOOOOOOOOOOOOOOOOOOOD!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!