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An aircraft takes off from A (72° N Lat, 40° E Long) at 2.00 Am local time to B (32° N Lat, 50° W Long). If the flying time is 10 hours what is the local time of landing at B?
chandradeepika
- May 28th, 2008
40+50 =90. for 1 deg 4 minutes, so for 90 (90*4)=360minutes =6hours 2am+10hours journey-6hours=6hours.so the answer is 6am.
dinil P adithya
- Oct 15th, 2006
total movment= 90dgree90*4=360min=6hrs...hense the plane s traveling frm est 2 west 2 am-6=8pmflyng time=10. localtime=8pm+10=6am
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The size of a program is N. And the memoryoccupied by the program is given by M = square root of 100N. If the size of the program is increased by 1%then how much memory now occupied ?
Plz any one tell me,how to answer this....
chandradeepika
- May 28th, 2008
M1=sqrt(S1)=sqrt(100N)S2=101%S1=1.01NM2=sqrt(S2)=sqrt(100*(1.01N))=sqrt(101N)% increase is := (((sqrt(101N)-sqrt(100N))/sqrt(100N))*100)=(((sqrt(101)-10)/10)*100)%=((10*sqrt(101))-100)%=((10*10.05)-100)%=(100.5-100)%=0.5%
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What is the highest prime number that can be storedin a 8-bit microprocessor?
Whats the method to find the answer...... plz any one tel me
chandradeepika
- May 28th, 2008
8-bit===>2^8=256.so the number must be below 256. so the answer is 251.
haja
- Mar 3rd, 2007
Guys the formula is?(2^n)-1?n==>2,4,8,16, bit memory. this gives the max no and by reducing the max no we get largest prime no.
All the best -
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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A power cable is to be run from a power plant on the bank of a river 900 meters wide to a factory 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) 3900 (c) 1800 (d) 2100 (e) 2700
chandradeepika
- Jun 10th, 2008
The cost calculation what i said previously was wrong.its 3000*4 + 2100*4=20400.
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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 value of ¾ + 5 / 36 + 7 / 144 + …….+17 / 5184 + 19 / 8100
sreenath91
- Jun 23rd, 2008
U can writre the statement as1-(1/4)=3/41/4-(1/9)=5/361/9-(1/16)=7/144so continuing like that we get 1-(1/100)=.99
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3/4+5/36+7/144+..........+17/5784+19/8100 is?
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A bus started from bustand at 8.00a m and after 30 min staying at destination, it returned
A bus started from bustand at 8.00a m and after 30 min staying at destination, it returned back to the bustand. the destination is 27 miles from the bustand. the speed of the bus 50 percent fast speed. at what time it returns to the bustand
chandradeepika
- Jun 11th, 2008
A bus cover 27miles with 18mph in=27/18 =1hr30min and it wait at stand=30min.after this speed of return increases by 50%. so 50% of 18mph=9mphtotal speed of returning=18+9=27then in return it take 27/27=1hr.then total time in journey=1+1.30+0.30=3hrso it will come at 8+3hr=11am.so ans=11am
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The value of ¾ + 5 / 36 + 7 / 144 + …….+17 / 5184 + 19 / 8100 is??
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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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If first term of AP is 5. 16th term is 45.find the sum of first 16 terms?
Srishukkumar
- Sep 18th, 2008
A=5t 16=a+15dsum=n(2a+(n-1)d)/2 but t=a+(n-1)dtherefore sum=16(5+45)/2 =400
ROHAN
- Mar 6th, 2006
1st term=5 16th term=45 ; 5+15d=45 where d is common difference. d=8/3.therefore sum of 1st 16 terms= 16/2(2*5 + 15*8/3)=400
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There are 5 distinct pairs of white socks and 5 pairs of black socks in a cupboard. In the dark, how many sock22s do I have to pull out to ensure that I have at least 1 correct pair of white socks?
vaidhyanathan
- Oct 31st, 2008
The worst possible case?arises when?The first 10?pull results in 10 black socks and the next 5?pull results in 5 white socks which do not have their exact pair.so after?pulling the 16th sock, definitely there would be atleast 1 correct pair of white socks.hence the ans is 16 socks.
kartikvelu
- Jun 9th, 2008
u have to pull 3 socks so that u get 1 correct pair...... first attempt - 1(black or white) 2nd-1(black or white)3rd -pair (u get any pair)
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Find the root of given equation x-2/(x-1)=1-2/(x-2) if possible.
X = 0
Bhoomika sharma
- Dec 24th, 2008
Its,easy as we:are wid: x-1=2/(x-1)-2/(x-2)x-1=2(x-2)-2(x-1)/(x-1) *(x-2)x-1=-2/(x-1)(x-2)^3so, (x^2-2x-1)(x-2)=-2(x^3-2x^2-x)-(2x^2-4x+2)=-2(x^3-4x^2+3x-2)=-2=> x=0 or,x^2-4x+3=0=> x=1,x=3
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If the product of the 3 consecutive integers is 210, then the sum of the two smaller integers?
madhurimasridhar
- Mar 5th, 2009
Product is 210... so one of the integers must be 5 or 10.They are 5 6 7 or 3 4 5 or 10 9 8 or 10 11 12
Possible ans is 5 6 7 bcoz no other option gives the product which is mentioned
in the data.Sum of two smaller integers is 5+6=11.so ans is 11chandradeepika
- May 27th, 2008
the three consecutive integers be x,y and z.given: xyz=210. the unit place ends with 0. so it must be a multiple of 5,10,...if it is a multiple of 10 means it must lead to a large number because 10*9*...
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How to do the preparation for an aptitude
Which books i should prefer for the aptitude test of any company
pawansharma1987
- Mar 12th, 2009
Quantitative, Aptitude and Verbal & Non-Verbal Reasoning are best books always!
ersumit
- Jun 5th, 2008
You should follow Book named "Quantative aptitude" for practice in Mathematics & "verbal-non verbal reasoning" author R.S aggarwal.
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One angle of the triangle is 3 times a second angle and third angle is 20degrees more than the second angle. Then the second angle is?
bipurag
- Apr 19th, 2009
First step:let the second angle be:xTherefore the first angle:3xand third angle becomes:x+20Therefore ATQX+3X+X+20=180(As the three side of the angle total is 180)5x=160x=32so,The second angle is 32
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Pole
A pole seen from a certain distance at an angle of 15deg and 100m ahead by 30deg.what is the height of pole?
hydsarema
- May 24th, 2009
Let the height of the pole be hlet the distance at which the angle of elevation is 30 be x.then we havetan 15 is h/100+xtan 30 is h/xby solving we get x as 866and the height as 499.7 which is approx 500m
pawansharma1987
- Mar 13th, 2009
The height of the pole is 50 mappllying trigo, we get,.tan 15 = h/(100+y) ;tan 30 = h/y;solving above, we geth=50m
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Fisherman's Day
A fisherman's day is rated as good if he catches 9 fishes, fair if 7 fishes and bad if 5 fishes. He catches 53 fishes in a week n had all good, fair n bad days in the week. So how many good, fair n bad days did the fisher man had in the week?
hydsarema
- May 24th, 2009
Let good days be xlet fair days be ylet bad days be zsince there are 7 days in a weekx+y+z is 79x+7y+3z=53since it is a 3 variable equation and we have only 2 equations we have to assume values for one of them.so let x be 1,2,3,4.putting x as 4 we get y as 1 and z as 2
pawansharma1987
- Mar 13th, 2009
If you want the answer quickly it can be done by generate and test method? x +y+z =7? 9x+7y+5z= 53hence x= 3 y =3 z=1 ans.
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In a basket 3 mangoes, 4 apples, and 4 bananas are there. Find number of ways we select randomly 3 fruits from the basket?
ROHAN
- Mar 6th, 2006
10c3=10!/3!*3!100800
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