rosala

208 Questions
3012 Answers

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i just thought this 30sec vid might give anyone whose too feeling stressed a bit of a tiny break.....

Dont Worry its child safe

https://www.youtube.com/watch?v=gu3KzCWoons

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rosala 28 ago 2020

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A little bit of recognition to our old friends.

Hey Everyone,
Hope you guys are doing well , mentally and physically,.I just wanted to make a post after a long long time.
lee mas ..

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rosala 11 jul 2020

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i have a few questions abt how the forum works.....

1.Why can i delete my questions?There is no deleting option.

2.Why cant i post anything on my previous questions?I tried but the posting option doesnt work?!
lee mas ..

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rosala 11 jul 2020

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Hey, i've got something to say....

Since it’s been a while I last came, its home coming for me right?

lee mas ..

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rosala 20 ago 2019

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a question involving lenses

the focal length of a concavo-convex lens of radius of curvature 5 cm and 10cm is 20cm. what will be its focal length in water.? given aµw = 4/3 .

ive tried solving this but my answer is incorrect, i have a bit of problem lee mas ..

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rosala 7 feb 2019

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Optics(a more clear thread)

i prevviously posted optics questions but turns out the image isnt clear, this time ive done better preparation,

https://www.photobox.co.uk/my/photo?album_id=5568759114&photo_id=501647551932 lee mas ..

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rosala 7 feb 2019

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Optics

Hey everyone,
how have you been,
im sorry i havent been here for months , and i know some of you mught be angry with me for posting a question and not getting back at it, and i really have no excuse except that i have so much to do thta lee mas ..

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rosala 7 feb 2019

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Reflection

An object is placed exactly midway between a concave mirror of radius of curvature 40cm and a convex mirror of radius of curvature 30cm. The mirrors face each other and are 50cm apart. Determine the nature and position of the image formed by successive lee mas ..

ElectricPavlov ●

rosala 2 dic 2018

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binomial theore tricky question

hey everyone, hows it going?

im having a really hard time doing this question, could anyone help...thanks in advance, i appreciate your hard work!!
lee mas ..

rosala 22 mar 2018

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Back At It With PnC

Hello everyone,

i know you all might be bored by now with this but i cant help it...ive got some more PnC questions...and there are more like these so if anyone could help thatd be great!
lee mas ..

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rosala 25 feb 2018

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Updates on my PnC questions!

hello everyone,

earlier i posted a few PnC questions and some of them are still unanswered and others in doubts. if you're interested in taking up the challege of making me understand or increase your knowledge, here are their links... lee mas ..

rosala 19 feb 2018

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2018

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PnC attacks!!!

1. Define a "good word" as a sequence of letters that consists only of the letters A, B, and C and in which A never immediately followed by B , B is never immediately followed by C , and C is never immediately followed byA. If the nuber of n-letter good lee mas ..

rosala 17 feb 2018

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A Shoutout post for CPhill! (and all those helping mathematicians)

CPhill, im really grateful to you.

You help this forum so much , devoting in your time to answer all of our questions , listen to our queries and help accordingly. It's so sweet and kind of you to do that. Im also lee mas ..

rosala 16 feb 2018

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Permutations and Combinations!

1.A telegraph has x arms and each arm is capable of (x-1) distinct positions , including the position of rest. The total no. of signals that can be made is?

2. How many natural numbers are there fro 1 to 1000 which have none lee mas ..

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rosala 16 feb 2018

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can anyone pls answer the first one!!!??

can anyone pls answer the first one!!!??

https://web2.0calc.com/questions/permutations-and-combinations-lt-3

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rosala 10 feb 2018

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Permutations and Combinations!!! <3

1.Find the no. of permutations of letters a , b , c , d, e , f , g taken all at a time if neither “beg” nor “cad” patterns appear in any word.

2.Find the no. of ways in which letter sof the word SQUARE can be lee mas ..

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rosala 9 feb 2018

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First of all we all are one of a kind! And secondly I'm not odd and if you think so then that's becoz I think differently!

so why are you odd ?(only if u are)

🙅👓🍬😂

rosala9 ene 2015

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Oh at least we got a sight of you becoz of the question you asked!

as you might be aware this question is above my ahead so I can not do much . I hope you get an answer soon so Good Luck reinout! Btw when is your restaurant going to open?( lunch boxes?)

rosala9 ene 2015

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There is only one square root of 49 that's 7.its like

√7=49

or

7*7 = 49

rosala7 ene 2015

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I didn't even know it was Russian lol! Great idea tho!

rosala7 ene 2015

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It's ok! You just speak in the best of English u know! I can solve many puzzles!lol!

rosala7 ene 2015

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Would you mind writing in English anon?

rosala7 ene 2015

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It located near my house! I mean u just have to cross ten houses then the sea , then another ten houses then 5 factories , 1 river and another sea and there is the island! If u reach there.....don't bring help my brother ....I mean don't disturb him when he's with his fellow monkeys ! Lol!

rosala7 ene 2015

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Awe ....what a sad story.....!words are always with me.......untill and unless I have a bad temper! Words just leave me alone becoz they don't want to feel embarrassed! Lol!

rosala7 ene 2015

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This is the magical map that will take you to the Island Of Fractionts! Here is your help!

http://web2.0calc.com/questions/how-do-i-type-in-fractions

Have a look!

rosala7 ene 2015

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Wooooaaahhh!!!!

Sir CPhill is having a loss of words! How SaaaaaDDDD!!!!!

rosala7 ene 2015