Maths, Addmaths and Statistics: Post your doubts here!

[convent2012]

The ratio of boys to girls in a school is 3 : 4 .
There are 120 more girls than boys.
How many students are in the school?

 

[MustafaMotani]

y<4x , y<2x-3

yahan light chali gayi thi ...

y > 1/4x hoga dusri wali sahe batae

 

[syed1995]

The ratio of boys to girls in a school is 3 : 4 .
There are 120 more girls than boys.
How many students are in the school?

awesome question ..
3:4
x:x+120
3x+360=4x
boys=360
girls=480
total= 840

 

[syed1995]

y > 1/4x hoga dusri wali sahe batae

lol jo solve kara hai paper pe ... woh tak y > x/4 likha hua hai .. but yahan xpf pe y < 4x likh dia

 

[MustafaMotani]

lol jo solve kara hai paper pe ... woh tak y > x/4 likha hua hai .. but yahan xpf pe y < 4x likh dia

bahanay

 

[MustafaMotani]

koi transformation k mushkil sawalat batao please ..

 

[syed1995]

koi transformation k mushkil sawalat batao please ..

meray liye tu saaray hi mushkil hai transformation kay

 

[syed1995]

bahanay

waqai mein

 

[MustafaMotani]

meray liye tu saaray hi mushkil hai transformation kay

phir mjhay koi b bata do

 

[Durrani]

a = 3 b= -1
-4 7

what would b !a! ????
" !! " denotes the sign for length of a
plz reply

 

[syed1995]

a = 3 b= -1
-4 7

what would b !a! ????
" !! " denotes the sign for length of a
plz reply

year and question number please ....

 

[MustafaMotani]

a = 3 b= -1
-4 7

what would b !a! ????
" !! " denotes the sign for length of a
plz reply

ur question is vague.. :

 

[Durrani]

a= 3
4

b= -1
7

 

[syed1995]

a = 3 b= -1
-4 7

what would b !a! ????
" !! " denotes the sign for length of a
plz reply

|a| = 5

 

[Durrani]

year 09 oct nov and qs no, 15

 

[MustafaMotani]

a= 3
4

b= -1
7

|a| = underroot(3^2 + 4^2) = 5

 

[syed1995]

a= 3
4

b= -1
7

(3^2 + 4^2)^1/2
(9+16)^1/2
25^1/2
=5

 

[syed1995]

|a| = underroot(3^2 + 4^2) = 5

(3i+4j)/5

 

[Muhammad Zain Qasmi]

smallest positive integer "m", such that 360m is a cube number ?? Asplain too...

 

[MustafaMotani]

(3i+4j)/5

nO unit veector please