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(#M40000673) TCS QUESTION Keep an EYE

It is dark in my bedroom and I want to get two socks of the same color from my drawer, which contains 24 red and 24 blue socks. How many socks do I have to take from the drawer to get at least two socks of the same color?

Solution

Consider the worst case. Remember you can have either pair of red or pair of blue socks. In 1st pick i get red, 2nd pick i get blue( I can also get red but you need to consider worst case).3rd pick if you get any color you have a pair. So ans is 3 picks.
This answer is given by SUCHANDRA RAAVI and is the correct answer

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Asked In TCS arun (14 years ago)

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(#M40000672) TCS QUESTION Keep an EYE

Lady has 2 select gloves & hat from a basket. In the dark, she can distinguish hat & gloves. 14 red, 20 blue, 18 green are there. Find probability that any selected glove pair has same color.

Asked In TCS arun (14 years ago)

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(#M40000677) TCS QUESTION Keep an EYE

a man has age in years equal to his daughters age in months and
daughter age is equals to his grand daughter age in weeks and her age
in weeks total age of 3 members is given 91.find out the mans
age

Asked In TCS arun (14 years ago)

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(#M40000671) TCS QUESTION Keep an EYE

A lady had fine gloves and hats. 25 blue, 7 red and 9 gey. She had to select a pair among them. But there was no light so she had to select in darkness the correct pair with a glove and a hat. Therefore how many combinations of same color she can select?

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(#M40000676) TCS QUESTION Keep an EYE

There is a die with 10 faces. It is not known that fair or not. 2
captains want to toss die for batting selection. What is the possible
solution among the following?
a) If no. is odd it is head, if no. is even it is tail
b) If no. is odd it is tail, if no. is even it is head
c) Toss a die until all the 10 digits appear on top face.
And if first
no. in the sequence is odd then consider it as tail. If it is even
consider it as head.

Asked In TCS arun (14 years ago)

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(#M40000667) TCS QUESTION Keep an EYE

The pace length P is the distance between the rear of two consecutive footprints. For men formula n/P = 144 gives approximate relationship between n and P where, n = number of steps per minute and P = pace length in meters. Bernard knows his pace length is 164cm. The formula applies to Bernard's walking. Calculate Bernard's walking speed in kmph.
a) 8.78
b) 236.16
c) 23.238
d) 11.39

Solution

n/P = 144 gives an approximate relationship between n and P where, n = number of steps per minute and P = pacelength in meters. Bernard knows his pacelength is 164cm.
Number of steps in one minute = 144*1.64
Distance travelled in 1 minute = 144*1.64*1.64 mtrs
Distance travelled in one hr = 144*1.64*1.64*60/1000 km = 23.24 km approx
This answer is given by DIPIN and is the correct answer


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Asked In TCS arun (14 years ago)

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(#M40000675) TCS QUESTION Keep an EYE

A lady took out jacket and gloves, which are available in blue 16,yellow 40 and red 36. Power goes off, she can distinguish between gloves and jacket but not in colors. What is the possibility that she will pick up pair of gloves of each color?

Solution

(16c2 + 40c2 + 36c2)/92c2
This answer is given by MUKESH RANJAN MALLICK and is correct answer

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Asked In TCS arun (14 years ago)

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(#M40000808) TCS QUESTION Keep an EYE

A lady had fine gloves and hats. 25 blue, 7 red and 9 gey. She had to select a pair among them. But there was no light so she had to select in darkness the correct pair with a glove and a hat. Therefore how many combinations of same color she can select?

Asked In TCS arun (14 years ago)

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(#M40000807) TCS QUESTION Keep an EYE

Lady has 2 select gloves & hat from a basket. In the dark, she can distinguish hat & gloves. 14 red, 20 blue, 18 green are there. Find probability that any selected glove pair has same color.

Asked In TCS arun (14 years ago)

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(#M40000806) TCS QUESTION Keep an EYE

A lady took out jacket and gloves, which are avialable in blue
16, yellow 40 and red 36. Power goes off, she can distinguish between
gloves and jacket but not in colors. What is the possibilty their she
will pick up pair of gloves of each color. A lady has fine gloves and
hats in her closet- 18 blue- 32 red and 25 yellow. The lights are out
and it is totally dark inspite of the darkness. She can make out the
difference between a hat and a glove. She takes out an item out of
the closet only if she is sure that if it is a glove. How many gloves
must she take out to make sure she has a pair of each colour?
a) 50 b) 8 c) 60 d) 42

Solution

16c2 + 40c2 + 36c2)/92c2
This answer is given by MUKESH RANJAN MALLICK and is correct answer

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Asked In TCS arun (14 years ago)

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