There are 1000 junior and 800 senior students in a class. And there are 60 sibling pairs where each pair has 1 junior and 1 senior.1 student is chosen from senior and 1 from junior randomly.What is the probability that the two selected students are from a sibling pair?

0 Answers   HCL, Infosys,

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what is the same as or oppisite of refuse matter from a floor

0 Answers  

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A square plot of some size , at four corners equal squares of some size are cut and is formed as open box. If this open box carries 128ml of oil. What is the size of the plate i.e. side a.17 b.14 c.13

3 Answers   IBM,

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My flight takes of at 2am from a place at 18N 10E and landed 10 Hrs later at a place with coordinates 36N70W. What is the local time when my plane landed. a) 6:00 am b) 6:40am c)7:40 d)7:00 e)8:00

2 Answers   TCS,

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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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Q2. Pipe A takes 16 min to fill a tank. Pipes B and C, whose cross-sectional circumferences are in the ratio 2:3, fill another tank twice as big as the first. If A has a cross-sectional circumference that is one-third of C, how long will it take for B and C to fill the second tank? (Assume the rate at which water flows through a unit cross-sectional area is same for all the three pipes.)

5 Answers   HCL,

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What are applications of half adder circuit?

2 Answers   GGH, TCS, Wipro,

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HOW + MUCH = POWER Then P + O + W + E + R =

0 Answers   Infosys,

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A ship went on a voyage.After it had travelled 180 miles a plane statrted with 10 times the speed of the ship. An army 50 miles long marches at a constant rate. A courier standing at the rear moves forward and delivers the message to the first person and then turns back and reaches the rear of the army as the army completes 50 miles. Find the distance travelled by the courier.

0 Answers   Infosys,

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A tape manufacturer reduces the price of his heavy duty tape from Rs.30/- to Rs.28/- a reel and the price of a regular tape from Rs.24/- to Rs.23/- a reel. A computing centre normally spends Rs.1440/- a month for tapes and 3/4 of this is for heavy duty tapes. How much will they save a month under the new prices?

6 Answers   TCS,

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out of three numbers first is twice the second and is half of third.if the average of the 3 number is 56 the three no. in order are

3 Answers  

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A person grows cabbage, he uses a larger square this year than previous year and produces cabbages than previous year.what is the no. of cabbages produced this year

0 Answers   Infosys,

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