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Answers posted by hrithwikp
Questions
4
answers
0
best answers
0
votes
$\sin^{-1} \large\frac{4}{5}$$+2 \tan ^{-1} \large\frac{1}{3}$ is equal to :
answered
Dec 6, 2018
(C) is the answer to the question
0
votes
If $\overrightarrow {a}$ and $\overrightarrow{b}$ are unit vectors, then the vector $(\overrightarrow a+\overrightarrow b) \times (\overrightarrow{a} \times \overrightarrow{b})$ is parallel to the vector:
answered
Dec 6, 2018
(a) is parallel to the vector
0
votes
Bag contains 2 white,1 black and 3 red balls,Bag B contains 3 white ,2 black and 4 red balls and Bag C contains 4 white ,3 black and 2 red balls.One Bag is chosen at random and 2 balls are drawn at random from that Bag.If the randomly drawn balls happen to be red and black,what is the probability that both balls come from Bag B?
answered
Dec 6, 2018
The probability that both balls come from bag B is 0.3814
0
votes
Two bags A and B contain 2 white, 4 red and 3 white, 3 red balls respectively. One of the bags is selected at random and a ball is drawn from it. If the selected ball is of white colour, find the probability that it is drawn from bag A.
answered
Dec 6, 2018
The probability of choosing a white ball from bag A is 1/3. The probability of choosing a white ball...
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