rosala

208 Questions
3012 Answers

0

715

1

+11912

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

Fuera tema

rosala 28 ago 2020

+10

1271

6

+11912

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 ..

Fuera tema

●●●●●●

rosala 11 jul 2020

+2

1057

7

+11912

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 ..

Fuera tema

●●●●●●●

rosala 11 jul 2020

+7

1697

11

+11912

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

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

lee mas ..

Fuera tema

●●●●●●●●●●●

rosala 20 ago 2019

+5

1346

1

+11912

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 ..

Fuera tema

rosala 7 feb 2019

+5

1304

2

+11912

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 ..

Fuera tema

rosala 7 feb 2019

+7

1522

6

+11912

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 ..

Fuera tema

●●●●●●

rosala 7 feb 2019

+4

1652

1

+11912

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

+2

1741

1

+11912

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

+2

1783

7

+11912

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 ..

●●●●●●●

rosala 25 feb 2018

+4

1741

1

+11912

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

+3

2018

3

+11912

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

+8

1785

3

+11912

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

+4

2130

8

+11912

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 ..

●●●●●●●●

rosala 16 feb 2018

+2

1758

8

+11912

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

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

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

●●●●●●●●

rosala 10 feb 2018

+2

1

2624

9

+11912

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 ..

●●●●●●●●●

rosala 9 feb 2018

+11912

+8

thats really a great post DragonSlayer!i would give you a point for that!

And for new users, always be free to ask a question or clear your doubts!

rosala26 ago 2014

+11912

+3

yes!!!

rosala25 ago 2014

+11912

+5

i think by now u should give us the answer!

another option

wait for a week to get the answer!

your choice!

rosala25 ago 2014

+11912

+3

i think so!you know when i was in 6th standard my birthday was on the day of my SSt exam!but still i could enjoy it!i love recieving gifts!

rosala25 ago 2014

+11912

0

okay then i'll go in october!uhh i hate exams!and u know my birth day is also in exams ! on 17th sep!

rosala25 ago 2014

+11912

0

Thank you DragonSlayer!

rosala25 ago 2014

+11912

0

when do we have to go!sorry i cant go my exams are coming in sep!

rosala25 ago 2014

+11912

0

oh okay!

rosala25 ago 2014

+11912

+5

i think DragonSlayer is too pleased with CPhill as he is always struggling to make him rich!DS we are CPhill's friends so make us rich as well!

rosala25 ago 2014

+11912

+5

No CPhill!i didnt check for the answer there!actually , i had over reacted on giving the answer becoz it was just a guess but i was confident as well cuz i knew theres only one word with X thats X-ray! anyways i just won though!

i see i have been missing a lot of riddles!but nevermind now IM BACK!

rosala24 ago 2014