Q&A - PSLE Math

[peggy]

Tianzhu,


Thanks for your prompt reply.


Cheers !

[tianzhu]

Hi Michaelia0816


Ah girl, here's a similar type of question.

Hope this helps.

Best wishes

http://farm6.staticflickr.com/5213/5473328668_0005b89f67_z.jpg\">

[tianzhu]

peggy:

Tianzhu,


Thanks for your prompt reply.


Cheers !

Hi

You're welcome.

Best wishes

[Michaelia0816]

Em Tianzhu, I still not sure, it can’ t be divided somehow, for some parts like the first one, 20% , I still dun get it, I also knew it the method but still not sure how, so can you still helps?

[tianzhu]

Michaelia0816:

Em Tianzhu, I still not sure, it can' t be divided somehow, for some parts like the first one, 20% , I still dun get it, I also knew it the method but still not sure how, so can you still helps?

Hi

Start from the end.

A ------ 432
B ------ 432

Work backwards

A ------ 360
B ------ 504

At first

A ------ 528
B ------ 336

Please carry on from here to find the percentage increase.

Best wishes

[Michaelia0816]

Thx, O meant just now is 432 /100 then * 80 disrupt my mind in confuse., thx

, is the answer just the word increase, I think so, so long, and again thank a million!

[tianzhu]

Michaelia0816:

Thx, O meant just now is 432 /100 then * 80 disrupt my mind in confuse., thx

, is the answer just the word increase, I think so, so long, and again thank a million!

Hi

The number of B's stamps was increased from 336 to 432.

You need to find the percentage increase.

Best wishes

[match3frog]

Hi :),


Need help on this question:

Aisha took 1/2 hour to walk from Village A to Village B at a uniform speed. Baoli took 3/4 hour to walk form Village B to Village A at a uniform speed. Both of them started at 2.20 p.m.
a)At what time did Aisha and Baoli pass each other along the way?
b) At the same time that Aisha reached Village B, Carol started to walk from Village A to Village B at the same uniform speed as Aisha. At what time did Baoli and Carol meet?

Thanks!:)

[MathIzzzFun]

match3frog:

Hi :),


Need help on this question:

Aisha took 1/2 hour to walk from Village A to Village B at a uniform speed. Baoli took 3/4 hour to walk form Village B to Village A at a uniform speed. Both of them started at 2.20 p.m.
a)At what time did Aisha and Baoli pass each other along the way?
b) At the same time that Aisha reached Village B, Carol started to walk from Village A to Village B at the same uniform speed as Aisha. At what time did Baoli and Carol meet?

Thanks!:)

Hi

http://i49.tinypic.com/fmnqly.png\">

cheers.

[YumYum]

Hi, I need help with this Qn:


When a total of 12.5 litre of water is poured into Tank A and Tank B, the heights of the water level in both tanks are the same. The base area of Tank A is 300 cm2 whilst that of tank B is 200 cm2. Find the height of the water level in each tank.

Thanks