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2014-10-27T11:02:06+05:30

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(A) let the number be x
increased by 9 : x+9
added to 15 : x+9+15 = x+24

(B)  speed of sam = V
      sameer is 10 times faster
     speed of sameer = 10×V = 10V
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2014-10-27T12:32:44+05:30
A)
Number - x
Increased by ninex + 9
Added to 15 - x + 9 + 15 = x + 24

b)
Shyam's speed - v
Sameer's speed - 10v


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