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	<title>Comments on: A Maths Tutor&#8217;s Offer To Another Maths Tutor On Tax Filing Day</title>
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	<item>
		<title>By: Miss Loi</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8603</link>
		<dc:creator>Miss Loi</dc:creator>
		<pubDate>Sun, 18 May 2008 01:54:41 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8603</guid>
		<description>&lt;b&gt;Manal:&lt;/b&gt; Miss Loi is out of the country at the moment and she&#039;s not able to access the internet at times.

Having said that she just did a check but didn&#039;t find any mail from you. Guess she now has to sieve through thousands of spam mail in her spambox to see if your email ended up there :P


&lt;span class=&quot;highlight&quot;&gt;Lastly, for the last time, Miss Loi would like to request you to avoid using this comment box for off-topic requests!&lt;/span&gt;</description>
		<content:encoded><![CDATA[<p><b>Manal:</b> Miss Loi is out of the country at the moment and she's not able to access the internet at times.</p>
<p>Having said that she just did a check but didn't find any mail from you. Guess she now has to sieve through thousands of spam mail in her spambox to see if your email ended up there <img src='http://www.exampaper.com.sg/blog/wp-includes/images/smilies/icon_razz.gif' alt=':P' class='wp-smiley' /> </p>
<p><span class="highlight">Lastly, for the last time, Miss Loi would like to request you to avoid using this comment box for off-topic requests!</span></p>
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		<title>By: Manal</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8592</link>
		<dc:creator>Manal</dc:creator>
		<pubDate>Sat, 17 May 2008 17:53:01 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8592</guid>
		<description>Miss Loi! plzzzzzzz reply</description>
		<content:encoded><![CDATA[<p>Miss Loi! plzzzzzzz reply</p>
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		<title>By: Manal</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8535</link>
		<dc:creator>Manal</dc:creator>
		<pubDate>Thu, 15 May 2008 17:46:11 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8535</guid>
		<description>Miss Loi! you aren&#039;t replying any of my mails didn&#039;t u get them or there is any other prob.plz reply soon</description>
		<content:encoded><![CDATA[<p>Miss Loi! you aren't replying any of my mails didn't u get them or there is any other prob.plz reply soon</p>
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		<title>By: Manal</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8251</link>
		<dc:creator>Manal</dc:creator>
		<pubDate>Tue, 06 May 2008 12:36:44 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8251</guid>
		<description>okzzzzzzzzz</description>
		<content:encoded><![CDATA[<p>okzzzzzzzzz</p>
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		<title>By: Miss Loi</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8232</link>
		<dc:creator>Miss Loi</dc:creator>
		<pubDate>Tue, 06 May 2008 03:11:31 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8232</guid>
		<description>&lt;b&gt;Manal&lt;/b&gt;, Miss Loi has been a little overwhelmed by the ongoing mid-year exams of late but she did check her inbox and found no email from you in the past few days.

Perhaps it has been intercepted by Agent Sandeep? :D LOL</description>
		<content:encoded><![CDATA[<p><b>Manal</b>, Miss Loi has been a little overwhelmed by the ongoing mid-year exams of late but she did check her inbox and found no email from you in the past few days.</p>
<p>Perhaps it has been intercepted by Agent Sandeep? <img src='http://www.exampaper.com.sg/blog/wp-includes/images/smilies/icon_biggrin.gif' alt=':D' class='wp-smiley' />  LOL</p>
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		<title>By: Manal</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8211</link>
		<dc:creator>Manal</dc:creator>
		<pubDate>Mon, 05 May 2008 10:24:05 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8211</guid>
		<description>okkkkkkkkzzzz</description>
		<content:encoded><![CDATA[<p>okkkkkkkkzzzz</p>
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		<title>By: Sandeep</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8204</link>
		<dc:creator>Sandeep</dc:creator>
		<pubDate>Mon, 05 May 2008 06:08:00 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8204</guid>
		<description>I am from the Pakistani Police Force.

We have received numerous complains on you Manal. You are infact breaching section 24.3B of the Government&#039;s Internet Laws. This is a crime!

Please &lt;b&gt;apologise&lt;/b&gt; to Ms. Loi and express your deepest thanks to her for helping you so far.

Agent 42987, 
Sandeep.</description>
		<content:encoded><![CDATA[<p>I am from the Pakistani Police Force.</p>
<p>We have received numerous complains on you Manal. You are infact breaching section 24.3B of the Government's Internet Laws. This is a crime!</p>
<p>Please <b>apologise</b> to Ms. Loi and express your deepest thanks to her for helping you so far.</p>
<p>Agent 42987,<br />
Sandeep.</p>
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		<title>By: Daphne Maia</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8203</link>
		<dc:creator>Daphne Maia</dc:creator>
		<pubDate>Mon, 05 May 2008 05:20:12 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8203</guid>
		<description>Manal, 

In life, we will always need other people&#039;s favour. The secret to getting help from other people is that you have to BE POLITE and say THANK YOU. Please don&#039;t demand for favours because no one is obliged to help you.</description>
		<content:encoded><![CDATA[<p>Manal, </p>
<p>In life, we will always need other people's favour. The secret to getting help from other people is that you have to BE POLITE and say THANK YOU. Please don't demand for favours because no one is obliged to help you.</p>
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		<title>By: Manal</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8184</link>
		<dc:creator>Manal</dc:creator>
		<pubDate>Sun, 04 May 2008 11:36:02 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8184</guid>
		<description>Hey Miss Loi u didnt answer my mail</description>
		<content:encoded><![CDATA[<p>Hey Miss Loi u didnt answer my mail</p>
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		<title>By: Miss Loi</title>
		<link>http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8099</link>
		<dc:creator>Miss Loi</dc:creator>
		<pubDate>Fri, 02 May 2008 04:18:44 +0000</pubDate>
		<guid isPermaLink="false">http://www.exampaper.com.sg/questions/e-maths/a-maths-tutors-offer-to-another-maths-tutor-on-tax-filing-day#comment-8099</guid>
		<description>&lt;b&gt;Manal,&lt;/b&gt;

Just to clarify if your figure is supposed to look like this?

&lt;img src=&quot;http://www.exampaper.com.sg/blog/wp-content/uploads/2008/05/manal-figure.gif&quot;  alt=&quot;Manal&#039;s Figure&quot; /&gt;

In your question, the diameter of the cylinder is 8m &#8658; radius = 4m. But from the description of your cone, the radius &lt;var&gt;r&lt;/var&gt; would be &#8730; (6&lt;sup&gt;2&lt;/sup&gt; - 4.5&lt;sup&gt;2&lt;/sup&gt;) (Pythagoras Theorem) = 3.97m (a little off).

In any case, taking &lt;var&gt;r&lt;/var&gt; = 4m,

Volume of each cone = &lt;m&gt;{1/3} pi r^2 h&lt;/m&gt; = &lt;m&gt;{1/3} pi (4^2) (4.5)&lt;/m&gt; = 24&lt;var&gt;&#960;&lt;/var&gt; m&lt;sup&gt;3&lt;/sup&gt;

Volume of cylinder = &lt;var&gt;&#960;r&lt;/var&gt;&lt;sup&gt;2&lt;/sup&gt;&lt;var&gt;h&lt;/var&gt; = &lt;var&gt;&#960;&lt;/var&gt;(4&lt;sup&gt;2&lt;/sup&gt;)(8) = 128&lt;var&gt;&#960;&lt;/var&gt; m&lt;sup&gt;3&lt;/sup&gt;

Total volume of your figure = 2 x vol. of cone + vol. of cylinder = 2(24&lt;var&gt;&#960;&lt;/var&gt;) + 128&lt;var&gt;&#960;&lt;/var&gt; = 176&lt;var&gt;&#960;&lt;/var&gt; m&lt;sup&gt;3&lt;/sup&gt;.

For your future questions, please &lt;strong class=&quot;highlight&quot;&gt;email&lt;/strong&gt; Miss Loi directly at &lt;a href=&quot;javascript:mailer(&#039;missloi&#039;,&#039;exampaper.com.sg&#039;)&quot; rel=&quot;nofollow&quot;&gt;missloi [at] exampaper [dot] com [dot] sg&lt;/a&gt; instead of using the comments area here so that we can keep it on-topic ok? ;)</description>
		<content:encoded><![CDATA[<p><b>Manal,</b></p>
<p>Just to clarify if your figure is supposed to look like this?</p>
<p><img src="http://www.exampaper.com.sg/blog/wp-content/uploads/2008/05/manal-figure.gif"  alt="Manal's Figure" /></p>
<p>In your question, the diameter of the cylinder is 8m &rArr; radius = 4m. But from the description of your cone, the radius <var>r</var> would be &radic; (6<sup>2</sup> - 4.5<sup>2</sup>) (Pythagoras Theorem) = 3.97m (a little off).</p>
<p>In any case, taking <var>r</var> = 4m,</p>
<p>Volume of each cone = <img src="http://www.exampaper.com.sg/wp-content/plugins/wpmathpub/phpmathpublisher/img/math_986_8c994d640f22aa06ca955a745b79a60b.png" style="vertical-align:-14px; display: inline-block ;" alt="{1/3} pi r^2 h" title="{1/3} pi r^2 h"/> = <img src="http://www.exampaper.com.sg/wp-content/plugins/wpmathpub/phpmathpublisher/img/math_986_950e3ebbbb1cb30d0413a03815c42f5f.png" style="vertical-align:-14px; display: inline-block ;" alt="{1/3} pi (4^2) (4.5)" title="{1/3} pi (4^2) (4.5)"/> = 24<var>&pi;</var> m<sup>3</sup></p>
<p>Volume of cylinder = <var>&pi;r</var><sup>2</sup><var>h</var> = <var>&pi;</var>(4<sup>2</sup>)(8) = 128<var>&pi;</var> m<sup>3</sup></p>
<p>Total volume of your figure = 2 x vol. of cone + vol. of cylinder = 2(24<var>&pi;</var>) + 128<var>&pi;</var> = 176<var>&pi;</var> m<sup>3</sup>.</p>
<p>For your future questions, please <strong class="highlight">email</strong> Miss Loi directly at <a href="javascript:mailer('missloi','exampaper.com.sg')" rel="nofollow">missloi [at] exampaper [dot] com [dot] sg</a> instead of using the comments area here so that we can keep it on-topic ok? <img src='http://www.exampaper.com.sg/blog/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p>
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