A coin with p(head)=0.6 is tossed twice.What is the probability that at least one head occurs?

1 Answers  

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Machines X & Machine Y produces 8000 articles in 4 and 8 hrs respectively. If they work alternately for one hr each, X starting first, in what time 10000 articles can be produced?

3 Answers   eClerx,

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A secret can be told only 2 persons in 5 minutes .the same person tells to 2 more persons and so on . How long will take to tell it to 768 persons ?

20 Answers   Cognizant, CTS, DCE,

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London time is five and a half hours behind Delhi time. What time is it in London if it is 02:35 in Delhi? (a) 21:05 (b) 08:05 (c) 21:35 (d) 07:05 (e) None of these

14 Answers  

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GOOD is coded as 164 then BAD coded as 21.if ugly coded as 260 then JUMP?

0 Answers   HCL, Infosys,

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box 1 cotain odd value X or Y the box 2 =X i.e 7 or 12 box 3= Y has value 19 if X is 7 or 31 if x is 12 get even value X or Y Use any operator steps allowed 3

0 Answers   Godrej,

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7. A new medicine has been developed and its effectiveness has been determined by carrying out an experimental study. 30 patients were divided into groups of 20 and 10. The group having 20, were given medicine while the other group dint get any medication. The results obtained where as follows:- Medication Non-medication Improved 8 2 Unimproved 12 8 Based on data, I think medication was:-

2 Answers  

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A=1 B=2  C=3  D=4 E=5 . F=10 G=20 H=30 I=40 J=50  .            K=100 L=200  M=300  N=400 O=500    P=1000  Q=2000 R=3000 S=4000  T=5000   U= 10000  V=20000  W=30000  X=40000  Y=50000 Z=100000    

4 Answers  

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A thief steals half the total no of loaves of bread plus 1/2 loaf from a bakery. A second thief steals half the reaming no of loaves plus 1/2 loaf and so on. After the 5th thief has stolen there are no more loaves left in the bakery. What was the total no of loaves did the bakery have at the beginning.

0 Answers   Infosys,

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Pointing towards a woman a boy said, ?she is the only daughter of my mother?s brother?s only brother-in-law?. How the woman is related to the boy? (a) Mother (b) Aunt (c) Sister-in-law (d) Sister (e) None of these

2 Answers  

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A train 100 meter long takes 3 second to cross a man walking at the rate of 6km/hr in a direction opposite to that of the train. Find the speed of the train.

0 Answers   Axis Bank,

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100 glasses are there. A servant has to supply glasses to a person If he supplies the glasses without any damage he will get 3 paise otherwise he will loose 3 paise. At the end of supplying 100 glasses if he gets 270 paise, how many glasses were supplied safely.

20 Answers   Lucent,

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