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Frequently Asked Microsoft Placement Papers with Solution : Solved Question

(#M40000093) MICROSOFT QUESTION Keep an EYE

You have 8 balls. One of them is defective and weighs less than others. You have a balance to measure balls against each other. In 2 weighings how do you find the defective one?

Asked In Microsoft (15 years ago)

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(#M40041265) MICROSOFT QUESTION Keep an EYE

In an examination the number of successful students was 4 times the numbr of unsuccessful students If there were 35 less students nd the numbr of unsuccessful students were 9 more,then the ratio of their numbr would have been 2:1 . Find the total numbr of students

Asked In Microsoft ramakrishna (10 years ago)

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(#M40000097) MICROSOFT QUESTION Keep an EYE

If you had an infinite supply of water and a 5 quart and 3 quart pail, how would you measure exactly 4 quarts?

Asked In Microsoft (15 years ago)

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(#M40000214) MICROSOFT QUESTION Keep an EYE

There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.

Asked In Microsoft Naveen (15 years ago)

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(#M40000092) MICROSOFT QUESTION Keep an EYE

There are 3 baskets. one of them have apples, one has oranges only and the other has mixture of apples and oranges. The labels on their baskets always lie. (i.e. if the label says oranges, you are sure that it doesn’t have oranges only,it could be a mixture) The task is to pick one basket and pick only one fruit from it and then correctly label all the three baskets.

Asked In Microsoft (15 years ago)

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(#M40000098) MICROSOFT QUESTION Keep an EYE

You have a bucket of jelly beans. Some are red, some are blue, and some green. With your eyes closed, pick out 2 of a like color. How many do you have to grab to be sure you have 2 of the same?

Asked In Microsoft (15 years ago)

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(#M40007999) MICROSOFT QUESTION aptitude Keep an EYE

four concentric circles r given .the radius of 1st circle is x.next is 2x,then 3x and 4x. given that area b/w 2nd and 1st is A and 4th and 3rd circles being B.find ratio of A to B

Solution

area of first circle = pi*(x)^2 = pi*x^2
area of second circle = pi*(2x)^2 = 4*pi*x^2
area of third circle = pi*(3x)^2 = 9*pi*x^2
area of fourth circle = pi*(4x)^2 = 16*pi*x^2
area b/w 1st and 2nd circles = 3*pi*x^2
area b/w 3rd and 4th circles = 7*pi*x^2
so ratio = 3:7

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Asked In Microsoft (13 years ago)

Solved aruna Read Solution (2)

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(#M40000096) MICROSOFT QUESTION Keep an EYE

You have 5 jars of pills. Each pill weighs 10 gram, except for contaminated pills contained in one jar, where each pill weighs 9 gm. Given a scale, how could you tell which jar had the contaminated pills in just one measurement?

Asked In Microsoft (15 years ago)

Solved Sanal Jose Read Solution (2)

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(#M40000212) MICROSOFT QUESTION Keep an EYE

The SF Chronicle has a word game where all the letters are scrambled up and you have to figure out what the word is. Imagine that a scrambled word is 5 characters long: How many possible solutions are there? What if we know which 5 letters are being used?

Asked In Microsoft Naveen (15 years ago)

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(#M40000210) MICROSOFT QUESTION Keep an EYE

If you have two buckets, one with red paint and other with blue paint, and you take one cup from the blue bucket and pour it into the red bucket. Then you take one cup from the red bucket and pour it into the blue bucket. Which bucket has the higher ratio between red and blue? Prove it mathematically.

Solution

let volume of paint in bucket=10 liter
volume of cup = 1 liter
bucket A= red paint
Bucket B= Blue paint
after step 1=> Bucket A= 11 liter = 10 liter red + 1 liter blue
Bucket B= 9 liter blue

now 1 liter of bucket A= 1/11 liter blue and 10/11 red

after step 2=> Bucket A= 10 liter=100/11 red +10/11 blue
red/blue= 10/1

Bucket B= 10 liter
= 9 liter blue+1/11 blue +10/11 red
= 100/11 blue + 10/11 red .
red/blue = 1/10
so ratio of red/blue is (10/1) higher in first bucket of red paint than the ratio of red /blue (1/10) in second bucket
This answer is given by ANKIT and is correct answer

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Asked In Microsoft Naveen (14 years ago)

Solved Read Solution (6)

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