AFCAT Coaching in Tamil Nadu Target 2016

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 WITH EASE- WE HAVE 100 DAYS TO SUCCESS CLASSES
WELL QUALIFIED INSTRUCTORS
Ref books
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Reqular maths practce
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How to excel in English? Tips
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All this is just for Rs.15,000 only ssb for those who take coaching
from our academy is Rs. 4000 only 14 days coaching

How we teach maths:- AFCAT -2-2015'


A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9 Km/h and the speed of the current is 3 Km/h, the distance between A and B is
a) 9 Km
b) 10 Km
c) 11 Km
d) 12 Km

Step 1: what is given:-

Speed of the boat in still water = 9 km/hr
Speed of the current = 3 km/h,

Step 2: To find what?

To find the distance  ( A to B)

Step 3: Working:-

Speed downstream = 9+3 = 12 km/hr
Speed upstream = 9-3 = 6 km/hr

Let the distance between A and B be x.
Then: {x}{6}+\{x}{12}=3
x+2x=36
3x=36
x=12
Step 4: Answer
Hence the Distance is 12 km answer
 

Like wise every sum we solve it in our academy.

Director: colonel Jayavel (retd)

call 094437 20076
www.ssbcoaching.com

Only AFCAT Book and CD Rs. 1000

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