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Placement Papers with Solutions

(#M40012123) TCS QUESTION Keep an EYE

f the solutions of the equation x2 + px + q = 0 are the cubes of the solutions of the equation x2 + mx + 2 = 0, then
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• p – q = m3
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• p = m3q
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• p + q = m3
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• p = m3 + 6m
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• p = m3 – 6m

Asked In TCS vaibhav sharma (13 years ago)

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(#M40012121) TCS QUESTION Keep an EYE

At different times during the day Dhruva gets emails in his yahoo account. When he has time, Dhruva goes to his inbox and reads the most recent unread mail. If there are 5 emails in all and they are delivered to Dhruva in the order 1 2 3 4 5, which of the following could not be the order in which Dhruva reads them?
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Asked In TCS vaibhav sharma (13 years ago)

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(#M40012053) TCS QUESTION Keep an EYE

A die is rolled once. Call the result N. Then, the die is rolled N times, and those rolls which are equal
to or greater than N are summed (other rolls are not summed). What is the distribution of the resulting
sum? What is the expected value of the sum?

Asked In TCS vaibhav sharma (13 years ago)

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(#M40012046) TCS QUESTION Keep an EYE

A special lottery is to be held to select a student who will live in the only deluxe room in a hostel.
There are 100 Year- Ill, 150 Year-II, and 200 Year-I students who applied. Each Year-III’s name is placed in
the lottery 3 times; each Year-II’s name, 2 times; and each Year-I’s name, 1 time. What is the probability
that a Year-III’s name will be chosen?

Asked In TCS vaibhav sharma (13 years ago)

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(#M40012045) TCS QUESTION Keep an EYE

A gambler has in his pocket a fair coin and a two-headed coin. He withdraws a coin at random and
flips it twice. If the first flip is Heads, what is the probability that the second flip is Heads ?

Asked In TCS vaibhav sharma (13 years ago)

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(#M40010504) TCS QUESTION tcs math puzzle Keep an EYE

5. 1! + 2! + ««. + 50!=?
a)3.1035*10^64 b)2.1021*10^65 c)3.1035*10^63 d)3.1035*10^62

Asked In TCS vaibhav sharma (13 years ago)

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