PDA

View Full Version : PP : PRac -2 (need help urgently)



test_tkr
11-28-2004, 06:15 PM
hi guys two question - I want to know what ever i understand is right or not?
(in doc4)

6 - question in file PP - I badly need help on that.... Please everybody

Thank you

thebullfighter
11-28-2004, 06:59 PM
Q1. low SD means 1st & last elements(extreme values) near to avg.
ex. for,
2,3,4,5,6
& 0,3,4,5,10

SD is low in 1st.
______________________________________________

Q2. yeps thts fine.
______________________________________________

Q3. 70.4/2= 35.2
add to respective categories: Car/van pool: 14.3+35.2=49.5 (is th correct answer been shown??)
______________________________________________

Q4. x+0.11x=433
or, 1.11x=433
=>x=390.09
______________________________________________

Q5. y=mx+c
0=-3x+6
=> x=2
______________________________________________

Q6. side of inner= sqrt(t^2+s^2)
Area= sqrt(t^2+s^2)*sqrt(t^2+s^2)= t^2+s^2
Hence, Equal
______________________________________________

Q7. __ __ __ __
1st position: 1,3,5,7,9 (5 ways)
4th position: 0,2,4,6,8 (5 ways)
2 & 3rd Digit: 0-9 (10 ways)

Hence, 5*5*10 = 2500
_______________________________________________

Q8. odd multiple of 3: 7 (as 1-40, 13 multiples, 7 odd, 1,3,...13)
Col A: 7/40

even multiples of 3: 13-7= 6
Col b: 6/40

hence, A>B

HTH

thebullfighter
11-28-2004, 08:44 PM
Q3. 70.4/2= 35.2
add to respective categories: Car/van pool: 14.3+35.2=49.5 (is th correct answer been shown??)
correction: 1/2 of 1/2 join pool Car/van

hence, 70.4/2= 35.2/2= 17.6
add to respective category: Car/van pool: 14.3+17.6= 31.9
rest r fine.

lorcar
11-28-2004, 11:31 PM
correction: 1/2 of 1/2 join pool Car/van


bastard ets people...:whistle:

test_tkr
11-29-2004, 12:10 AM
Hey thank you - so much.. Like u First I made same mistake and I got 49.5...
hey thx once again.