A flashlight has 10 batteries out of whi...

A flashlight has 10 batteries out of which 4 are dead . If 3 batteries are selected without replacement and tested , then the probability that all 3 are dead is

A

`1/30`

B

`2/8`

C

`1/15`

D

`1/10`

Text Solution

Verified by Experts

The correct Answer is:

A

Topper's Solved these Questions

KARNATAKA CET 2017
KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos
KARNATAKA CET 2019
KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

A flash light has 10 batteries out of which 4 are dead. If 3 batteries are selected without replacement and tested, then the probability that all 3 are dead is

A flashlight has 8 batteries out of which 3 are dead. If two batteries are selected without replacement and tested, the probability that both are dead is

A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random without replacement the probability of getting exactly one red ball is

Two numbers 'a' and 'b' are selected successively without replacement in that order from the integers 1 to 10. find the probability that a/b is an integer.

A box contains 3 white and 2 red balls . If we draw one ball and without replacing the first , the probability of his travelling by train or plane is :

Two numbers are chosen from [1,2,3,4,5,6] one after another without replacement . Find the probability that one of the smaller value of two is less than 4 :

Out of 3 n consecutive integers, three are selected at random. Find the probability that their sum is divisible by 3 is

4 persons are selected at random from a group of 3 men , 2 women and 4 children . The probability that exactly two of them are children is :

A bag has balls of which x are, 2x are white, and 3x are blue. A ball is selected at random. What is the probability that the balls drawn is (i) not blue (ii) white

A bag contains 3 black and 4 white balls. Two balls are drawn one by one at random without replacement. The probability that second drawn ball is white is

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2018-MATHEMATICS

Fro the probability distribution given be {:(X=xi,0,1,2),(Pi,25/36,5...
Text Solution
|
A bag contains 17 tickets numbered from 1 to 17. A ticker is drawn wit...
Text Solution
|
A flashlight has 10 batteries out of which 4 are dead . If 3 batteries...
Text Solution
|
If |x+5| ge 10, then
Text Solution
|
Everybody in a room shakes hands with everybody else. The total number...
Text Solution
|
The constant term in the expansion of (x^2-1/x^2)^16 is
Text Solution
|
If P (n) : ''2^(2n)-1 is divisible by for all n in N'' is true , then ...
Text Solution
|
Find the equation of the line parallel to the line 3x -4y + 2=0 and pa...
Text Solution
|
If ((1-i)/(1+i))^(96)=a+ib , then (a,b) is
Text Solution
|
The distance between the focii of a hyperbola is 16 and its eccentrici...
Text Solution
|
In how many ways can 5 girls and 3 boys be selected in a row so that ...
Text Solution
|
If a, b, c are three consecutive terms of an A.P. and x,y,z are three ...
Text Solution
|
The value of {:(lim),(xrarr0):}(|x|)/x is
Text Solution
|
Let f(x) = x - 1/x , then f' (-1) is
Text Solution
|
The negation of the statement ''72 is divisible by 2 and 3'' is
Text Solution
|
The probability of happening of an event A is 0.5 and that of B is 0.3...
Text Solution
|
In a simultaneous throw of pair of dice , the probability of getting a...
Text Solution
|
If A and B are mutually excusive events, given that P(A) = 3/5 , P(B)=...
Text Solution
|
Let f, g : R rarrR be two functions defined as f(x) = |x| + x and g(x)...
Text Solution
|
A is a set having 6 distinct elements . The number of distinct functio...
Text Solution
|