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Placement Papers with Solutions

(#M40010131) SELF QUESTION Keep an EYE

There are 12 coins. One of them is false; it weights differently. It is not known, if the false coin is heavier or lighter than the right coins. How to find the false coin by three weighs on a simple scale?

Anand (13 years ago)

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(#M40010130) SELF QUESTION Keep an EYE

3+5-57+8965*6574/65

Anand (13 years ago)

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(#M40002775) L&T QUESTION maths Keep an EYE

The average salary of 3 workers is 95 Rs. per week. If one earns Rs.115 and second earns Rs.65 how much is the
salary of the 3rd worker.

Asked In L&T Anand (14 years ago)

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(#M40002747) TCS QUESTION maths Keep an EYE

IN a mixture ,R is 2 parts , S is 1 part. In order to make S to 25% of the mixture . How much of R is to be added??

Asked In TCS Anand (14 years ago)

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(#M40002746) TCS QUESTION maths Keep an EYE

LOW tempreture .thye night in a city is 1/3 more than 1/2 hinge as a higher tempreture in a day.sum of the higher and lower tempreture is 100 C. what is low tempreture ??

Asked In TCS Anand (14 years ago)

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(#M40002745) TCS QUESTION maths Keep an EYE

in 27 coins one coin is counterfeit what is minimum number of waitings to find out counterfeit coin???

Solution

1st step: weight 13-13 if equal then 27th is counterfeit coin, otherwise
2nd step: weight 6-6 if equal then 13th is counterfeit coin, otherwise
3rd step: weight 3-3, and take one whose weight is less
4th step: weight 1-1, if equal then 3rd is counterfeit coin othen that one for which weight is less
so answer is 1 or 2 or 4

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Asked In TCS Anand (14 years ago)

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(#M40002743) TCS QUESTION maths Keep an EYE

in 8*8 chess board what is the total number of squares??

Asked In TCS Anand (14 years ago)

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(#M40002725) TCS QUESTION maths Keep an EYE

like u have 31 ps, and tckt cost is between 1 to 31, u have to give the exact denominations for the ticket. find all the no of possible denominations u may prdict and u must be left wid atleast few paise...?

Asked In TCS Anand (14 years ago)

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(#M40002724) TCS QUESTION maths Keep an EYE

20men and 20 women are there, they dance with each other, is there possibilty that 2 men are dancing with same women and vice versa.

Asked In TCS Anand (14 years ago)

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(#M40002723) TCS QUESTION maths Keep an EYE

100 men & women dance with each other. Probability that a man cannot dance with more than two women.

Asked In TCS Anand (14 years ago)

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