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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: easy mock test of probability,permutation and combination,crack it soon
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ziauddin75 (307)

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1.a person is permitted to select at least one and atmost n coins from collection of 2n+1
Distinct coins.if totoal ways in which he can select coins is 255,then n equals
 
a---- 4
b---- 8
c----12
d----16
 
2. no. of times the digits 3 will be written when listing integer from 1 to 1000 are
 
a----269
b----300
c----271
d----302
 
3. the no. of  ordered triplets of positive integers which are solution of  equation of     x+y+z=100  is
 
a----6005
b----5081
c----4851
d----4852
 
4. if  P(A)=P(B)=x  & P(A  INTERSECTION  B) = P(A? INTERSECTION  B?)    =1/3, THEN x is
 
a----1/6
b----1/4
c----1/3
d----1/2
 
5. if  P(B)=3/4, P(A  INTERSECTION   B  INTERSECTION C?)=1/3 &P(A?  INTERSECTION  B  INTERSECTION  C?)=1/3,
   Then  P(B INTERSECTION  C?)  IS WHAT:
 
a----1/12  
b----1/6
c----1/15
d---- 1/9
 
6.probability of throwing 16 in one throw with three dice, Is
 
a----1/18
b----1/36
c----1/72
d----1/9
 
7.no. of divisors of 9600 including 1 & 9600 are
 
a----60
b----50
c----48
d----49
 
 
+10  for correct answer
-5     for  wrong one
 
all of you have time upto 12:59 am
 
here a?,b? refers to not a,similarly not b
 
    
the.sniper (637)

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u mean 12:59 am

" The difficult we do immediately, impossible takes a little longer "
--- U.S. Army

"It's better to have a gun and not need it than to need a gun and
not have it."
--- The Sniper

"You can get more with a kind word and a gun than you can with a
kind word. "
--- The Sniper

"Join the Army: travel to exotic distant lands; meet exciting,
unusual people and kill them. "
--- The Sniper

"The victor will never be asked if he told the truth."
--- Adolf Hitler

"Stop talking, start doing"
--- IBM

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ziauddin75 (307)

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yaaaaa, solve it fast
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akhil_o (2704)

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1)a
2)d
3)c
4)a
5)
6)b  (assuming b is mistyped...i got 1/36)
7)b

" Always remember money isn't everything but make sure you have made a lot of it before talking such nonsense!"
- Bill Gates
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ziauddin75 (307)

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start giving test and be fast
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ziauddin75 (307)

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akhil sorry yaar i had done small mistake and i have edited it

if i am right still you are not on right trACK
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ziauddin75 (307)

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ATTEMPT THE TEST GUYS
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ziauddin75 (307)

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OK JUST TELL ME THE REASONS WHY YOU GUYS ARE VIEWING AND NOT ATTEMPTING
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sboosy (2982)

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what is the 4th question pls b more clear
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the.sniper (637)

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1---a
2---b
3---c
4---d
5---
6---b
7---c


" The difficult we do immediately, impossible takes a little longer "
--- U.S. Army

"It's better to have a gun and not need it than to need a gun and
not have it."
--- The Sniper

"You can get more with a kind word and a gun than you can with a
kind word. "
--- The Sniper

"Join the Army: travel to exotic distant lands; meet exciting,
unusual people and kill them. "
--- The Sniper

"The victor will never be asked if he told the truth."
--- Adolf Hitler

"Stop talking, start doing"
--- IBM

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saurabh_reincarnated (230)

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1. a
2. b
3. c
4. cant follow quest. and .... ans...1/6 ...a
taking ? as '
5. a...  shud be 2/3
6.  not getting ans given
7. c
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sboosy (2982)

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1 a
2 b
3 c
4 d
5 a (question not clear but never mind)
6 b
7 c
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the.sniper (637)

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can u check ques 5

" The difficult we do immediately, impossible takes a little longer "
--- U.S. Army

"It's better to have a gun and not need it than to need a gun and
not have it."
--- The Sniper

"You can get more with a kind word and a gun than you can with a
kind word. "
--- The Sniper

"Join the Army: travel to exotic distant lands; meet exciting,
unusual people and kill them. "
--- The Sniper

"The victor will never be asked if he told the truth."
--- Adolf Hitler

"Stop talking, start doing"
--- IBM

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elastiboysai (2327)

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