Search found 15 matches
- Sat Oct 20, 2012 6:32 am
- Forum: Chemistry
- Topic: More preferable Fuel
- Replies: 7
- Views: 13110
Re: More preferable Fuel
Can anyone give me a mathematical explaination?
- Thu Oct 18, 2012 6:38 am
- Forum: Chemistry
- Topic: More preferable Fuel
- Replies: 7
- Views: 13110
More preferable Fuel
$C H_{4} $ or $ C_{4} $ $ H_{10} $ , which fuel is more preferable ?
- Thu Oct 18, 2012 6:18 am
- Forum: Physics
- Topic: FAQ of Vectors
- Replies: 3
- Views: 8194
FAQ of Vectors
Can a scalar product be a negetive quantity?
- Thu Oct 18, 2012 6:03 am
- Forum: Secondary Level
- Topic: a trigonometry problem
- Replies: 2
- Views: 2649
a trigonometry problem
If $m^2-n^2=16mn$ and $tanß+sinß=m$,then prove that $tanß-sinß=n$.
- Wed Oct 17, 2012 6:24 am
- Forum: Junior Level
- Topic: Find positive integers
- Replies: 4
- Views: 4080
Find positive integers
Find out positive integers for $a,b$ as if $a^b+b^a=999$
- Mon Oct 15, 2012 10:51 pm
- Forum: Junior Level
- Topic: Increased Rectangle
- Replies: 1
- Views: 2436
Increased Rectangle
একটি 18 X 24 আয়তক্ষেত্রের এক বাহুকে যে পরিমাণ পরিবর্তন করা হলো ,অন্য বাহুকে ঠিক তার 2 গুণ পরিবর্তন করে একটি বর্গক্ষেত্র তৈরি করা হলে বর্গক্ষেত্রের বাহুর দৈর্ঘ্য কত?
- Mon Oct 15, 2012 10:34 pm
- Forum: Physics
- Topic: Movement of Photons
- Replies: 2
- Views: 3371
Re: Movement of Photons
Thanks, Sowmitra Vai
- Mon Oct 15, 2012 6:42 am
- Forum: Physics
- Topic: Movement of Photons
- Replies: 2
- Views: 3371
Movement of Photons
Do the photons move slowly in the solid medium?
- Wed Aug 08, 2012 10:01 am
- Forum: Primary Level
- Topic: Age Fun
- Replies: 2
- Views: 8276
Age Fun
I am 1/6 as old as my father. My father's age, when divided by 2,3,4,6, and 8,leaves one remaining everytime, but when divided by 5,there nothing left. How old am I?
- Wed Aug 08, 2012 9:51 am
- Forum: Primary Level
- Topic: An easy problem
- Replies: 6
- Views: 10786
An easy problem
Using a constant rate,a man cuts a log into 5 pieces in 20 minutes. At the same constant rate,how long will it take the same man to a similar log into 7 pieces?