What are the major data structures used in the following areas : RDBMS, Network data model & Hierarchical data model.

2 Answers  

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human blood has A antigen,B antigen, both A and B or neither antigens.rh antigen may or may not be there.blood iis a +ve if a and rh antigens r there but not b antigen.a person having a and b antigen has AB -ve blood.having only rh antigen gives O +ve blood the other blood groups r defined in the same manner.in a hospital the following records were noted 25 had A antigen,17 had A and b ,27 had b ,22 had b and RH,30 had RH,12 had none of the antigens,16 had A and Rh antigens and 15 had all the 3 antigens.how many patients a)were surveyed? b)had exactly 1 antigen? c) had exactly 2 antigens? d) had O +ve blood? e) had AB -ve blood? f) had A-positive blood?

0 Answers  

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a student gets 1 marks for each question the answers correctly in an examination. he also loses 1/4 mark for each wrongly answered question.if he attempts 40 question and gets 30 marks,the number of question correctly answered by him is between 100 and 300 how many numbers begin or end with 2?

3 Answers   Wipro,

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highest power of 25 that divides the product of the first 100 multiples of 5,74,100,62

1 Answers   Syntel,

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Why do you want to join gnfc

0 Answers  

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i need rs aggarwal verbal &nonverbal book download link plzzzzzzzzzzzzzz i nned by 2marow morning

55 Answers   Accenture, Arihant, CTS, eInfochips, HCL, IBM, Infosys, MNB, Ram Infotech, SSB, SSC, TCS, Tech Mahindra, Thought Works, Wipro,

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From height of 8mts a ball fell down and each time it bounces half the distance back.What will be the distance travelled?

7 Answers   CGI,

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The average of 13 papers is 40. The average of the first 7 papers is 42 and of the last seven papers is 35. Find the marks obtained in the 7th paper?

0 Answers   Axis Bank,

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If 8 men are required to complete a work in 6 days, how many men will be required to complete the same work in ½ day?

0 Answers   CGI,

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You have two jars, 50 red marbles and 50 blue marbles. A jar will be picked at random, and then a marble will be picked from the jar. Placing all of the marbles in the jars, how can you maximize the chances of a red marble being picked? What are the exact odds of getting a red marble using your scheme?

2 Answers   Altera, Microsoft, SikSoft,

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Total number of wheels of bicycles & 4 wheeled vechicles is 38. How many bicycles are there?

6 Answers   TCS,

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If m/n=6/5 then 3m+2n=?

5 Answers   3i Infotech, Canara Bank, Geodesic, Perot Systems,

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