How many mod 3 counters are required to construct mod 9 counter.

0 Answers   Lucent,

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There is a school with 100 students and correspondingly 100 lockers, all of which start off closed. The first student opens every locker and the second students closes every other locker starting with the second (2,4,6...etc..) . The 3rd student changes the state of the lockers numbered (3,6,9.. etc.). The fourth student changes the state of the lockers numbered (4,8,12.. etc..).. This continues until all the 100 students passes along the lockers.. when all the 100 student is done which locker is closed and which locker is in open condition?

6 Answers   TCS, Zoho,

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4) A number when divided by D leaves a remainder of 8 and when divided by 3D leaves a remainder of 21 . What is the remainder left, when twice the number is divided by 3D? a) 13 b) cannot be determined c) 3 d) 42

7 Answers   TCS,

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The cost of four dozen proof machine ribbons and five dozen accounting machine ribbons was Rs.160/-. If one dozen accounting machine ribbons cost Rs.20/-, what is the cost of a dozen proof machine ribbons?

1 Answers   IBM, TATA,

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linux was introdse to

1 Answers  

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Replace each letter by a digit. Each letter must be represented by the same digit and no beginning letter of a word can be 0. O N E O N E O N E O N E ------- T E N

1 Answers   Infosys,

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three numbers are in the ratio 2:3:5 and the sum of their squares is 152, what will be their sum ?

5 Answers   Banking,

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Convert the following infix expression to post fix notation ((a+2)*(b+4)) -1 (Similar types can be asked)

1 Answers  

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I Need Change For 100 Rs It Should Not Be 10 Rs Notes But It Should Contain 10 Notes, Any Ideas?

30 Answers   HCL, MAHINDRA, Wipro,

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3 persons started placementpapers with a capital of Rs.3000 . B invest Rs.600 less than A, C invest Rs.300 less than B. Then what is the share amount of B in a profit of Rs.886 ?

11 Answers   Hexaware, Infosys,

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Argentina had football team of 22 player of which captain is from Brazilian team and goalki from European team. For remaining player they have picked 6 from Argentinian and 14 from European. Now for a team of 11 they must have goalki and captain so out of 9 now they plan to select 3 from Argentinian and 6 from European. Find out no. of methods available for it

0 Answers   Cognizant,

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27.) Given that the cost price of 10 oranges is equal to the cost price of 1 kg of apples and the cost price of 12 apples is equal to the cost price of 1 kg of oranges. If the selling price of 15 oranges is equal to the selling price of 1 kg of apples, then the selling price of 1 kg of oranges is equal to selling price of (Assume that all the apples are identical and this holds true for the oranges as well.) a) 8 apples b) 9 apples c) 10 apples d) 12 apples

4 Answers   TCS,

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