ksraja69 wrote:Anyone knows when SMO first round results will be out?

http://sms.math.nus.edu.sg/Default.aspx

Click on the respective section to see the shortlist for R2

cheers.

- by MathIzzzFun
- Wed Jun 13, 2018 4:15 pm
- Forum: Mathematics
- Topic: All About Math Olympiad Training & Questions
- Replies:
**2420** - Views:
**717967**

ksraja69 wrote:Anyone knows when SMO first round results will be out?

http://sms.math.nus.edu.sg/Default.aspx

Click on the respective section to see the shortlist for R2

cheers.

- by MathIzzzFun
- Sun Aug 07, 2016 7:02 pm
- Forum: Primary 6 & PSLE
- Topic: Q&A - PSLE Math
- Replies:
**16955** - Views:
**2358793**

Can anyone help me with this question? Thank you http://i.imgur.com/jQl35Bxl.jpg At point D, angle ADC (90°) + angle ADC (reflex) = 360° In quadrilateral BCDA, angle DCB + angle CBA + angle BAD + angle ADC (reflex) = 360° ∴ angle DCB + angle CBA + angle BAD =90° angle BAD = 90° - 22° - 41° = 27° ch...

- by MathIzzzFun
- Sat Mar 05, 2016 3:51 pm
- Forum: Secondary Schools - Academic Support
- Topic: O-Level Additional Math
- Replies:
**1807** - Views:
**325563**

OC = (15-r) cmKSP2013777 wrote:I know OB is 15 cm, but what is OQ?

Sin (angle COQ) = sin 30° = 1/2

Can continue ?

cheers.

- by MathIzzzFun
- Fri Mar 04, 2016 12:52 pm
- Forum: Secondary Schools - Academic Support
- Topic: O-Level Additional Math
- Replies:
**1807** - Views:
**325563**

Use right-angle triangle OCQ. Angle COQ= 30°KSP2013777 wrote:My teacher is giving us revision paper. I cannot do this question. Can somebody b pls help?

Thank you

I believe you can sort this out.

cheers.

- by MathIzzzFun
- Wed Sep 09, 2015 9:36 pm
- Forum: Primary 6 & PSLE
- Topic: Q&A - PSLE Math
- Replies:
**16955** - Views:
**2358793**

http://i57.tinypic.com/54xc47.jpg Find the number of cubes per column on the 10cm x 10cm for 2 cm cubes, one column hold 5 X 5 = 25 cubes For 1 cm cubes, one column hods 10 X 10 = 100 cubes Let the number of columns for 2cm cube be "u" and 1cm cube be "p" 25u + 100p = 700 ---(1) The number of colum...

- by MathIzzzFun
- Tue Aug 04, 2015 6:55 pm
- Forum: Secondary Schools - Academic Support
- Topic: SMO Junior
- Replies:
**232** - Views:
**110764**

- by MathIzzzFun
- Thu Jul 30, 2015 10:10 pm
- Forum: Mathematics
- Topic: TheSolver's Home/Place to ask Math Questions
- Replies:
**48** - Views:
**15779**

...No, can't do... No worries... you will not get such question in psle...such questions can solved easily using the difference of squares algebraic identity which is taught in sec 1 maths and primary MO.... with all the MO competitions and GATs done with now, concentrate on your psle prep, you can...

- by MathIzzzFun
- Wed Jul 29, 2015 8:40 am
- Forum: Secondary Schools - Academic Support
- Topic: O-Level Additional Math
- Replies:
**1807** - Views:
**325563**

ebabe wrote:Thanks! What about these others 2 question?

cheers.

- by MathIzzzFun
- Tue Jul 28, 2015 5:37 pm
- Forum: Primary 6 & PSLE
- Topic: Q&A - PSLE Math
- Replies:
**16955** - Views:
**2358793**

[quote="leo_mums"]

How many cubes are there in Pattern 10?[/quote］

Note that the hollowed space is also a cube.

Pattern 1 → 2³ -1³ = 7

Pattern 2 → 3³-2³ = 19

Pattern 3 → 4³ - 3³= 37

So,

Pattern 10 → 11³ - 10³ =331

cheers.

How many cubes are there in Pattern 10?[/quote］

Note that the hollowed space is also a cube.

Pattern 1 → 2³ -1³ = 7

Pattern 2 → 3³-2³ = 19

Pattern 3 → 4³ - 3³= 37

So,

Pattern 10 → 11³ - 10³ =331

cheers.

- by MathIzzzFun
- Tue Jul 28, 2015 9:59 am
- Forum: Secondary Schools - Academic Support
- Topic: O-Level Additional Math
- Replies:
**1807** - Views:
**325563**

hint: Draw a line BX parallel to AP, intersecting CD at Y. You will get a parallelogram ABXP.ebabe wrote:Can anyone help me these 3 questions?

I believe you can carry on from here.

cheers.

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