-
-
A cow is standing 5 feet from the middle of the bridge .A train is at a distance of 2 times length of the bridge from direction in which cow is nearer to end of the bridgeis coming at a speed of 90 miles/hour.If cow moves towards train it will be saved by 1 foot.If cow moves away from train it will be hit by three inches of cow(i)Find length of bridge(ii)Find cows speed
ayyub abdul
- Oct 31st, 2010
Therefore Velocity of cow is 2 feet/ second and. Length of the bridge is X=460 feets. ...
-
-
-
-
-
Hawkeye Foodlemyer is firing a rifle at a paper target 500m away. The target is 10cm square, and each bullet hole is circular, 1cm in diameter. The bullet holes are uniformly distributed in the target area, and none extend beyond the boundary. (A) How many bullets must be fired before there is a 50% chance that 2 bullet holes overlap? (B) How many bullets must be fired before there is a 50% chance that the next bullet hole will overlap an existing hole?
gaurav4067
- Dec 5th, 2010
Target 500m away not used in soln. (I guess given unnecessarily) we make holes on the target area , we get 10*10 = 100 holes on the sheet now we take one shot, and let say it hits any one hole. No...
-
-
I bought 2 nursery drapes for less than 10 $ . If i bought as many yards of each as there were pieces per yard in cents . I paid 215 cents more for one of them . Then how many yards of each did i buy ?
Mark Haynes
- Apr 23rd, 2012
1) "I bought 2 nursery drapes for less than $10." $10 = ?1000 ?999 < ?10002) "If i bought as many yards of each as there were pieces per yard in cents."1 yard = ?13) "I paid 215 cents more for one of...
-
-
-
-
Fifty minutes ago if it was 4 times as many minutes past 3o'clock.how many minutes is it to six o'clock
tmhasan7
- Sep 21st, 2006
Sorry the second point should be like this..2. 4 times time past 3 will be 4x(which is the time to reach 6 from now).
tmhasan7
- Sep 21st, 2006
Check this out.. Its very simple. 1. Let the time past 3 be x min. 2. 4 times how many minutes is it to 6'o clock will be 4x.3. Time between 3 and 6 is 180 min. 4. This 180 min includes x, 4x and 50. ...
-
How to prepare for campus selections?i am new studenti join in cmr college at bangalorei am doing MCA 1st semplease tell me how to preparei want to becareful from first
sivanesh.a
- Dec 24th, 2006
prepare previous year papers...learn aptitude, puzzlebe strong in communication.
-
-
A factory manufacturing flywheels for racing cars has 10 machines to make them. The manufacturer knows the correct weight for a flywheel.However, one day one of the machine begins to produce faulty parts- either overweight or underweight.How can the manufacturer find the faulty machine in only 2 weighings
Rathinavelu
- Oct 23rd, 2006
As Archana said, find y.For second weighing, take one sample from each machine and find its weight, let it be z, The weight of each sample is x, therefore the actual weight should be 10xfind (z~10x)&n...
Archana.G
- Oct 6th, 2006
Hi pooja,Proceed this way..........Take 1 fly wheel from 1st machine ,2 flywheels from 2nd, 3 from 3rd and so on 10 from the 10th machine.Now u will have a total of 55 wheels.just weigh them.say...
-
-
Net Pesticide Expense
A pesticide available in the market reduces the number of plants dying within 4 weeks of plantation by 25%. If each bottle of pesticide costs Rs.770 and lasts for seven days and the nursery starts using it only on the plants planted after the 50th week, the net income (in Rs.'000s) from the project (net of pesticide expenses) is:1) 1592.5
2) 1725.5
3) 2106.5
4)... -
Head and Tail
I live in water, if you cut my head am at your doors, if you cut my tail am a fruit. if you cut both head and tail am with you
swapna suram
- Aug 19th, 2008
Well its Pearl ---- lives in water earl ---- when cut the head ( at ur door)Pear ---- when you cut tail (i am fruit)ear ---- cut both head and tail (i am with you)
-
Find the Word
Rich man keeps me in the pocket, Poor man throws me away, Kids eat me, The answer is --u--e--l ( a 9 letter word). Find the word.
ak_1234
- Dec 4th, 2009
Answer is bluepearl Rich man knows its value so he keeps it in his pocket Poor man unaware of it throws it away Kids will swallow it thinking it as candy This is answer currently popped up in my mind Any other better answers?
Challenging Puzzles
Ans