parmeet singh

• Oct 18th, 2006

yarr it's not as difficult as it looks seethe fastest guy takes 6 days if he is handeling alone ,but it is not hence option for 6 and 3 days is eleminated.the slowest guy takes 8 days rest all are are fast so there is no way target will go over to 9 days  hence the only option is 7 days

Vivek Shah

• Sep 22nd, 2006

let thet speed of ship is =vso seaplane speed must be=10vlet seaplane catch the ship in t timeso in t time ship moves x distanceso x/v=(x+18)/10vx=2so distance =18+2=20

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srinu

• Aug 23rd, 2006

48 is the answer.

Arun

• Aug 21st, 2006

84

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84

Sangeeta

• Jul 24th, 2006

Here is the solution in details:Say father's age is x,and son's age is y.we have two variables.We have two equations also.As son's age is half the father's age.So y=x/2 or x=2y---------------(1)Now yo...

Mayank Tiwari

• Apr 12th, 2006

let total age of father = xlet total age of son =ythen y=x/2as father was batchlor for 1/7 of his life & got son after 5 years of his merrige& dies after 4 years of his son's deththenx/7 + 5 + y + 4 =xby solving the equation father x=27.2 yearsson y=13.6

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204

sanil

• Jun 18th, 2006

for any matrix take thius formula  4*4=1^2+2^2+3^2+4^2similarly for 8*8==1^2+2^2..........+8^2=204

anshul

• Feb 23rd, 2006

We discovered that there are 204 squares on the board We found that you would add the different squares - 1 + 4 + 9 + 16+ 25 + 36 + 49 + 64.Also in 3*3 tic tac toe board what is the total no of square...

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15mph

n.v.mukesh raja

• May 11th, 2006

(x+10)=(x+35)/2soling the eqn we get x=15

prateek nayak

• Feb 26th, 2006

Speed limit= 15 miles/hr.

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165min

prateek nayak

• Feb 26th, 2006

160 miles= 330 min1 mile = 330/16080 miles=(330*80)/160=165 min.

MAHAVEER PATIL

• Feb 3rd, 2006

In 165 minutes wind will travel 80 miles in standard temprature and pressure

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] 3.5INCHES

Radeesh Koonichere

• Feb 25th, 2006

Volume of rectangle:- l*b*h= 8*11*2=176 Volume of rod:- (22/7)*(r^2)*l=(22/7)*(4^2)*lSolving(22/7)*16*l=176(22/7)*l=11l=7/2l=3.5 inchesThe length of rod is 3.5 inches

MAHAVEER PATIL

• Feb 3rd, 2006

L = 3.5" is the answer.

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138

MAHAVEER PATIL

• Feb 3rd, 2006

138 matches will delete low performances and last one will be championSO 138 MATCHES WILL DO

rajz_123

 Profile Answers by rajz_123 Questions by rajz_123

• Nov 28th, 2005

the answer is 138 matchesexplanation:since one player gets a bye in each round,he will reach the finals of the tournament without playing a match.therefore 137 matches should be played to detemine the...

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8/20 = 2 / 5

subbuiitm

 Profile Answers by subbuiitm Questions by subbuiitm

• Nov 29th, 2005

14/95

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priya

• Sep 15th, 2005

4 bytes

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varun

• Jul 3rd, 2005

Product of roots of eqn a*x^2+b*x+c=0 is c/a here product of roots =1 => k/5=1 =>k=5

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Binoy's family--El