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In which of the system, decimal number 384 is equal to 1234?
aytidaalkuhs
- Mar 14th, 2008
Mathematically, the question asks(384)base10 is equivalent to (1234)baseXwhere X is to be found.We know that to convert a binary number to its decimal equivalent, say (110)base2, we perform the follow...
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TCS Aptitude
A cryptanalyst must translate into letters of all digits included in the following two lines of nine symbols each 9 3 3 4 5 6 6 6 72 2 3 3 4 4 5 7 8The cryptanalyst has already determined some of rules governing the decodingRule 1-Each of the digits from 2 to 9 represents exactly one of the eight letters A,E,I,O,U,R,S,T.Rule 2-Each letter is represented by exactly one of the digits. If a digit occurs...
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Aptitude : find number of cats
A number of cats got together and decided to kill between them 999919 mice. Every cat killed an equal number of mice. Each cat killed more mice than there were cats. How many cats do you think there were?
ramsri_00
- Mar 22nd, 2010
Assume ,n=Number of cats and m=Number of mice per cat Given that,n*m=999919 and m>n Solution,n*m=(1000000-81)=1002-92=(100+9)*(100-9)=109*91=109*13*7Finally , n*m=109*13*7The followi...
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Finding the length.
ABCE is an isosceles trapezoid and ACDE is a rectangle. AB = 10 and EC = 20. What is the length of AE?
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A traveler walks a certain distance. Had he gone half a kilometer an hour faster , he would have walked it in 4/5 of the time, and had he gone half a Kilometer an hour slower, he would have walked 2 ½ hr longer. What is the distance?
kanap008
- Jun 21st, 2008
There'll be 3 eq...t - timed - distances - speedd/t=s d/(4/5)t=s+1/2d/(t+(5/2))=s-(1/2)solve it....u'll getd=15...hope im correct
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The length of a rectangle is increased by 60%.
The length of a rectangle is increased by 60%. By what % would the width have to be decreased to maintain the same area? steps....
SpandanaMohan
- May 23rd, 2008
Let the length be L and breadth be B...therefore initial area ia A=L*BNow if we increase length by 60%, the new length will be L+3L/5...Let the decreased amount of breadth be x...since the area is sam...
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In a company 30% are supervisors and 40%
In a company 30% are supervisors and 40% employees are male if 60% of supervisors are male. What is the probability? That a randomly chosen employee is a male or female?
rajani_vaddepalli15
- Jul 1st, 2008
Ans:0.3let E be the event that the emp may female or male supervisors...30% are supervisors.60% of 30% supervisors=18%male supervisors.therefore,12% are female supervisors.The prob(E)=no.of fav chance...
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A report consists of 20 sheets each of 55 lines and each such line consists of 65 characters. This report is retyped into sheets each of 65 lines such that each line consists of 70 characters. The % reduction in the number of sheets is closest to.
A report consists of 20 sheets each of 55 lines and each such line consists of 65 characters. This report is retyped into sheets each of 65 lines such that each line consists of 70 characters. The % reduction in the number of sheets is closest to. wid steps plzz.......
chandradeepika
- Jun 10th, 2008
20 sheets,55 lines and 65 characters implies 20*55*65=71500.x sheets,65 lines and 70 characters implies x*65*70=71500.therefore x=16.so 16 sheets.reduction: ((20-16)/20) *100 =20%ans: 20%
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In which of the system decimal number 184 is = to 1234?
arunava_nag
- Dec 31st, 2009
Base=54+3a+2a^2+a^3 = 180ie (a+1)^3 - a^2=181By virtue we can see 216 - 25 = 181Thus x=5
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Cable Cost
A telephone cable is to be run from a junction point on the bank of a river 900 meters wide to an office that is located 3000 meters downstream on the opposite bank. If the cost of laying cable under water is Rs. 5 per meter and that of laying overhead on land is Rs. 4 per meter, find the point downstream where the cable is to cut across the river.(a) 450(b) 1800(c) 2800(d) 2100(e) 2700
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Percentage of Rise in Temperature
The temperature at Chennai is given by the function: -t2/6+4t+12 where t is the elapsed time since midnight. What is the percentage rise (or fall) in temperature between 4.00 PM and 9.00 PM?(a) 23.5%
(b) 33%
(c) -32.5
(d) 20%
(e) 46%sid08harth
- May 27th, 2010
4pm is 16 hours from midnight..9pm is 21 hours from midnightfor 4pm...we get..-16*2/6+4*16+12 = 89for 9pm...we get..-21*2/6+4*21+12 = 71 (approx)% change = 18/89 *100 = 20% (Approx)
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File Transfer
A file is transferred from one location to another in 'buckets'. The size of the bucket is 10 kilobytes. The bucket gets filled at the rate of 0.0001 kilobytes per millisecond. The transmission time from sender to receiver is 10 milliseconds per bucket. After the receipt of the bucket the receiver sends an acknowledgement that reaches sender in 100 milliseconds. Assuming no error during transmission,...
jaykissan
- May 24th, 2010
To fill the bucket 100 sec, To transfer 1 bucket, 100.110 sec, To transfer n bucket, 100.11n, To transfer n kb,10.011n sec
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Numbers neither Divisible by 8 or 12
Find out the total numbers between 1 to 999 that are neither divisible by 8 nor by 12
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Age Ratio
Tanya's grandfather was 8 times older to her 16 years ago. He would be three times of her age 8 years from now. Eight years ago what was ratio of Tanyas age to her grandfather?
levteck
- Sep 13th, 2010
at -16 the ratio is 8at -8 the ratio is ?at 0 the ratio is ?at +8 the ratio is 3so the ratio went down from 8 to 3 (5times) in 3 period of 8 year.i.e. every 8 year is goes down by 5/3so after on...
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TV Model
If a company produces 15 different model of TV sets, 2 inchs screen and 4 different model of 4 inch screen size then how many model should vendor has for all the model.
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Find the Age of Peter
Peter and Paul were friends. After six years Paul wil be twice as old as Peter was when peter was as old as Paul. If sum of their ages is 36 find the age of Peter?
levteck
- Sep 13th, 2010
Peter + Paul = 36in 6 yearsPeter + 2 Peter = 42SoPeter = 14 (in 6 years)So nowPeter = 8andPaul = 22 (36-8)
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Max Intersections
There are 11 lines in plane. How many intersections (Maximum) can be made?
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Orange Pulp
Juice contains water and orange pulp in the ratio of 3:1. For making 12l juice, How much Orange pulp will be required?
tryforpavan05
- Dec 17th, 2010
in 1 lt.. of juice 3/4th of water is present and 1/4 of orange...in 12 lt.. of juice 9lt of water and 3 lt of orange is present hence 3 pulps of orange are req for 12 lt juice :)
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Address Probability
What is the probabiltity of writing correct addresses to 4 letters to be posted?
Aptitude Interview Questions
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