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Quantitative Aptitude

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If R gets at ...

Question

If R gets at least two more coins than S, and then which one of the following is necessarily true?

A

Q gets at least two more coins than S

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B

Q gets more coins than P

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C

P gets more coins than S

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D

P and Q together get at least five coins

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Solution

The correct option is B
Q gets more coins than P

(b) Possible combinations are

S < P < R < Q; S < P < Q < R; and P < S < Q < R.

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Similar questions

Q. If three coins are tossed simultaneously
a) Write all possible outcomes
b) Number of possible outcomes
c) Find the probability of getting at least one head
(getting one or more than one head)
d) Find the probability of getting at most two heads
(getting two or less than two heads)
e) Find the probability of getting no tails.

Q. Three coins are tossed simultaneously 100 times with the following frequencies of different outcomes:

Outcome:	No head	One head	Two heads	Three heads
Frequency:	14	38	36	12

If the three coins are simultaneously tossed again, compute the probability of:
(i) 2 heads coming up.
(ii) 3 heads coming up.
(iii) at least one head coming up.
(iv) getting more heads than tails.
(v) getting more tails than heads.

Q. How many times must a fair coin be tossed so that the probability of getting at least one head is more than

80 %

?

If Q gets fewer coins than R, then which one of the following is not necessarily true?

Q. Three coins are tossed simultaneously

100

times with the following frequencies of different outcomes- no head

- 14

- 38

- 36

- 12

if the three coins are simultaneously tossed again,compute the probability of: (1).

2

heads coming up. (2).

3

heads coming up. (3). at least one head coming up. (4).getting more heads than tails. (5). getting more tails than heads.

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