CGL 2012 Tier 2 Preparations and Results

@JS-M said: The volume of a cube, whose diagonal measures 4 ˆš3 cm is ?
bhai waise cube has 2 diagonals
1.)face diagonals= rt2*a
2.) body diagonals= rt3*a

ab yahan yeh mention nahi tha

@gudda1122 said:
bhai waise cube has 2 diagonals
1.)face diagonals= rt2*a
2.) body diagonals= rt3*a
ab yahan yeh mention nahi tha
to official wala le lo rt3*a
The chord PQ and PS of a circle of radius 5cm measures 6cm each.Find the length of chord QS ??
@JS-M said:
yr 1.6 m hi to likha hai maine......
lolz...sry im getting 1.2m 😛 chal im trying
@JS-M 8
@JS-M said: The chord PQ and PS of a circle of radius 5cm measures 6cm each.Find the length of chord QS ??
@JS-M 9.6 cm ??
@JS-M said: The chord PQ and PS of a circle of radius 5cm measures 6cm each.Find the length of chord QS ??
6????

Find the value of :
(2cos pi/13 cos 9pi/13) + cos 3pi/13 + cos 5pi/13



9.6

I am getting some weird answer 6root2 😛

@JS-M said: The chord PQ and PS of a circle of radius 5cm measures 6cm each.Find the length of chord QS ??
bhai answer kya hai?////

yeh equilateral triangle banega
@lalit5800 said: @JS-M .....BHAI 9.6 CM IS ANSWER
lalit bhai can u share ur solution plssss
@lalit5800 said: @JS-M .....BHAI 9.6 CM IS ANSWER
kaise????/
@gudda1122 said:
bhai answer kya hai?////
yeh equilateral triangle banega
......
An engineer undertakes a project to build a road 15 km long in 300 days and employs 45 men for the purpose.After 100 days he finds only 2.5km of the road has been completed.Find the apprx no. of extra men he must employ so that work finishes in time.
@gudda1122 for chord question

let length of QS be x..

Ar of Tr PQS=abc/4r=(s*s-a*s-b*s-c)^.5

s=6+x/2

6*6*x/4*5={(6+x/2)*(6-x/2)*x*x}^.5

solve for x
@jindalsaw said:

bhaiyon Delhi police SI written !!!!! NAILED IT !!

physical ki prep. strt

mubharak ho bhai
party
@jindalsaw Congrts bhai
@gudda1122 said: An engineer undertakes a project to build a road 15 km long in 300 days and employs 45 men for the purpose.After 100 days he finds only 2.5km of the road has been completed.Find the apprx no. of extra men he must employ so that work finishes in time.
68..
@jindalsaw congrats...lucrative post..open a bank accnt,,

js kidding ;)..or am i