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A website Numerical Ability - Probability Math Questions and Answer

(#M40152874) A WEBSITE QUESTION Keep an EYE

In how many ways can you write 3240 as a product of 3 positive integers a, b and c?
A) 450
B) 420
C) 350
D) 320

Asked In A website ABHISHEK BARNWAL (7 years ago)

Unsolved

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(#M40040212) A WEBSITE QUESTION Keep an EYE

There are two schemes in Vodafone
mobiles.
First scheme :1 paise per second,
Second scheme :50 paise per
minute,
Following conditions are given - 1) In second scheme, second minute
will be started at 0:60 or 1:00,
2) 0 sec. call means to call and cut it
abruptly when timer reads 0:00,
this is equivalent to a call of 1 sec.
3) In first scheme 0:14 means 15 sec.
The probability that first scheme is
more profitable over second in a
call ranging from 0:00 (1 sec.) to
3:20 (201 sec.) is ?

Asked In A website Venkatesha Perumal (8 years ago)

Solved BHASKAR MANDAL Read Solution (5)

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(#M40039074) A WEBSITE QUESTION probability Keep an EYE

Lottery balls are numbered and coloured balls. In the famous Lotto. six numbered balls are drawn at random from 49 balls. In each ticket one needs to guess the six numbers that would be drawn. If no correct guesses are recieved the prize money is carried to the next draw. It is not uncommon to see prize money accumulating to several millions of dollars. An urn contains in white and n black balls. A ball is drawn at random and is put back into the urn along with k additional balls of the same colour as that of the ball drawn. A ball is again drawn at random. The probability of drawing a white ball now :

Asked In A website Hareendra (8 years ago)

Unsolved Read Solution (1)

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(#M40037102) A WEBSITE QUESTION Keep an EYE

Find the probability distribution of number of doublets in three throws of a pair of
dice.

Asked In A website Pradyumna K S (8 years ago)

Unsolved Read Solution (1)

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