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?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More General Aptitude Interview Questions

A man walks around a rectangle. The time taken by him in travelling the length is twice as taken in travelling the breadth of the rectangle. If the perimeter of the rectangle is 300 mts, what is the area of the rectangle?

0 Answers   CGI,


2 persons are doing part time job in a company(say a and b). THe company is open for all the 7 days of the week.'A' works every second day.'B' works every 3rd day.If 'A'works on 1st june and 'B' works on 2nd june.Find out the date on which both 'A' and 'B' will work together.

0 Answers   Infosys,


in the following series a wrong number is given , find out that wrong number ? 125, 61, 93 ,98,77,76

3 Answers  


how to learn aptitude quickly

0 Answers  


when a group photograph is taken ,all the seven teachers should be in the first row and all the twenty students should be in the second row .if two corners of the second row are reserved for the two tallest students , interchangeable only between them and if the middle seat of the front row is reserved for the principal , how many arrangements are possible?

2 Answers  






A person has to go both Northwards&Southwards in search of a job. He decides to go by the first train he encounters.There are trains for every 15 min both southwards and northwards.First train towards south is at 6:00 A.M. and that towards North is at 6:10 .If the person arrives at any random time,what is the probability that he gets into a train towards North.

0 Answers   Infosys,


Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes by him.

0 Answers   3i Infotech,


Sir, i want to SBI clerical artitude paper(previous).

0 Answers  


hi.... i need tamil nadu SI police modal question paper can an one help me my mailing id is kettaven46@gmail.com

0 Answers   CTS,


sir,please give question bank in SBI clerical post question in my email id-ks_chitradevi@yahoo.com

0 Answers   State Bank Of India SBI,


in a market 4 man are standing .the average age of the four before 4 years is 45, after some days one man is added and his age is 49. What is the average age of all?

0 Answers   TCS,


how do prepare descriptive test paper in bank exams

1 Answers  


Categories