Interested to Buy Any Domain ? << Click Here >> for more details...
2 men at same tym start walking towards each other from A n
B 72 kms apart. sp of A is 4kmph.Sp of B is 2 kmph in 1st
hr,2.5 in 2nd, 3 in rd. n so on…when will they meet i in 7
hrs ii at 35 kms from A iii in 10 hrs iv midway
- 7 Answers
- 24993 Views
- Cap Gemini, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / somy
midway.
72/2 = 36kms.....the distance midway
A to cover 36 takes 9hrs (9*4)
B in 9 hrs cover 36 also (2+2.5+....+6 = 36)
hence midway
| Is This Answer Correct ? | 122 Yes | 5 No |
Answer / rana
Distance covered by A in 9hours= 9*4=36kms
Distance covered by B in 9 hours=
(2.5+3+3.5+4+4.5+5+5.5+6)=36kms
so A,B meet in the midway i.e 72/2=36kms
Tank you
| Is This Answer Correct ? | 46 Yes | 4 No |
Answer / deepak
After the first hour, they are
4+2=6 km closer to each other. After the second hour, they are
4+2.5=6.5 km closer to each other, and so on. The reduction of distance per hour is therefore an arithmetic progression:
6, 6.5, 7, ...
with initial value a=6 and common difference d=0.5.
The arithmetic series (adding these distances) can be expressed in terms of hours, h, as
S(h) = ah + dh(h-1)/2
= 6h + 0.5(h^2-h)/2
= 6h + (h^2-h)/4
and they meet when this sum equals 72:
6h + (h^2-h)/4 = 72
24h + h^2 - h = 288
h^2 + 23h - 288 = 0
(h - 9) (h + 32) = 0
We have no interest in a negative solution, so the positive one h=9 is the one we want. They meet after 9 hours.
That doesn't match either of the answers that are times, so let's check the distance from A, which at a steady 4 km/h is clearly 36km, half the total distance.
They meet midway (answer iv).
| Is This Answer Correct ? | 7 Yes | 4 No |
Answer / dinesh
after 8 hours
because after 8 hours A has traveled 32 km,
and B has travelde 30 km,
at that time the meet
| Is This Answer Correct ? | 17 Yes | 62 No |
A worker pay 20/- day , he works 1, 1/3,2/3,1/8.3/4 in a week. what is the total amount paid for that worker
slur : speech : : smudge :?
A lorry starts from Bangalore to Mysore at 6.00 A.M,7.00am.8.00 am.....10 pm. Similarly one another starts from Mysore to Bangalore at 6.00 am,7.00 am, 8.00 am.....10.00pm. A lorry takes 9 hours to travel from Bangalore to Mysore and vice versa. A lorry which has started at 6.00 am will cross how many lorries.
the concession stand at cinema city sells popcorn in three sizes-large,super and jumbo one day cinema city 240 bags of popcorn and the ratio of large and super to jumbo was 8:17:5.how many super bags of popcorn were sold on that day
Please send me the model qestion paper for Po at SBI Please .
what is difference between abstract class and interface?
The average salary of 3 workers is 95 Rs. per week. If one earns Rs.115 and second earns Rs.65 how much is the salary of the 3rd worker.
If asked you, why you want to regin the current company/organisition
A man spends half of his salary on household expenses, 1/4th for rent, 1/5th for travel expenses, the man deposits the rest in a bank. If his monthly deposits in the bank amount 50, what is his monthly salary ?
Two pipes can fill a tank in 10 and 12 hours respectively while third pipe will make the tank empty in 20 hours. If all three pipes operate simultaneously, in how many hours the tank will be filled ?
Find the product of the prime numbers between 1-20
sir, i need help in preparing the exam .so, please help me by sending some question papers to my mail address neela_david@rediffmail.com
1 Answers Banking, Central Bank of India,
English 
