Latest CTS Aptitude Question SOLUTION: At what time will B catch up with A. If A starts from a place at 11.00 A.M. and travels at a speed of 3.5 kmph, B starts at 1.00 P.M. and travels with speeds of 1 kmph for 1 hour,

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(#M40008844) CTS Numerical Ability question Keep an EYE

At what time will B catch up with A. If A starts from a place at 11.00 A.M. and travels at a speed of 3.5 kmph, B starts at 1.00 P.M. and travels with speeds of 1 kmph for 1 hour, 2 kmph for the next 1 hour, 3 kmph for the next 1 hour and so on.

Asked In CTS Vignesh (12 years ago)

Unsolved Read Solution (6)

Is this Puzzle helpful?   (8)   (6) Submit Your Solution Time Distance and Speed

Read Solution (6) :

saurabh gupta  (11 years ago)

Time Distance of A Distance of B
11-12 4 0
12-1 8 0
1-2 12 1
2-3 16 3
3-4 20 6
4-5 24 10
5-6 28 15
6-7 32 21
7-8 36 28
8-9 40 36
Now at 9 am, A is traveling @ 4 km/hr and B @ 9 km/hr , so a relative speed of 5 km/hr with 4 km distance between them. it would take 4km/ 5km/hr == 0.8 hr == 48 minutes so answer is 9.48

Is this solution Helpfull? Yes (27) | No (5)  

Pargat Pal Singh  (12 years ago)

At 1300 hrs ... Distance between A and B= 2*3.5 = 7 kms
at 1400 hrs .....Distance between A and B= 7+3.5-1= 9.5 kms
At 1500 hrs ....Distance between A and B= 9.5 + 3.5-2= 11 kms.
...
..
..
At 2000 hrs (8PM) distance between A and B = 3.5 kms.
From 8PM to 9 PM, speed of A =3.5 kmph
speed of B= 8 kmph
relative speed = 4.5 kmph

Time taken by B to meet A = 3.5/4.5 hrs = 7/9 hrs = 140/3 mins= 47 mins

so meeting time is 8:47 PM

Is this solution Helpfull? Yes (14) | No (8)  

Pargat Pal Singh  (12 years ago)

at 8:47 PM , B will catch A.

Is this solution Helpfull? Yes (4) | No (5)  

Vignesh  (12 years ago)

Could you explain Mr. Pargat.. Want to know how??

Is this solution Helpfull? Yes (2) | No (3)  

Navakanth  (11 years ago)

at 5'O clock B can catch the A

Is this solution Helpfull? Yes (1) | No (4)  

Mani kandan  (10 years ago)

how to come 4 in 11-12 4 0

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