Ratio of number of red to blue pots in Box X is 5:4' Ratio of number of red to blue pots in Box Y is

1
Ratio of number of red to blue pots in Box X is
54. Ratio of number of red to blue pots in Box
Y is 51. Box X contains 3 times as many pots as
Box Y. (a) Find the ratio of number of red pots
in Box X to the number of blue pots in Box Y. If
66 blue pots were added into Box Y, the ratio of
the red to blue pots in Box Y becomes 35. (b)
How many red pots were there in Box Y
then? Steps
PSLE 2005 Q46
2
5 12

• Tom took 10 mins to travel from the school to the
  cinema at 96m/min. In 10mins, Ric completed
• of the journey whilst Kenny completed ? of the
  journey.
• What is the difference in distance between Ric
  and Kenny when Tom reached the cinema.
• (b) Kenny reached the cinema 9mins before Ric.
  Find his average speed for ? of his remaining
  journey.
• Steps

PSLE 2005 Q47
3
Kim bought watches at 4 each and sold at 9
each. Each customer either bought 1 or 2 watches.
180 customers bought 2 watches. For every 2
watches bought 1 watch was given away free. Kim
earned 1340. How many customers bought 1
watch? Steps
PSLE 2005 Q48
4
I had a total of 80 pieces of 20 stamps or 50
stamps in a box. I used 50 of 20 stamps and 25
of 50 stamps to send a parcel and had 46 stamps
left. (a) Find the percentage of the number of
20 stamps at first. (b) Find the cost of sending
the parcel. Steps
PSLE 2005 Q49
5
There were 2 identical flights of steps. For the
1st flight of steps, I walked up some steps and
ran 6 steps in 65s. For the 2nd flight of steps,
I walked up some steps and ran 14 steps in 41s.
How long will I take to walk up both flights of
steps? Steps
PSLE 2005 Q50
6

• Recollections by Pupils
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  for the PSLE 2005 paper.
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