if soundharya rows 49 km upstream and 77 km down steam taking 7 hours each, then the speed of the stream Answers:	A) 6 kmph	B) 5 kmph	C) 2 kmph	D) 3 kmph	E) 4 kmph
<gadget id="calculator">77 - 49</gadget>
<output>28</output>

<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<gadget id="calculator">28 / 14</gadget>
<output>2</output>

<result>C</result>
if soundharya rows 49 km upstream and 77 km down steam taking 7 hours each, then the speed of the stream
divide(subtract(77, 49), multiply(7, const_2))
speed upstream = 49 / 7 = 7 kmph speed down stream = 77 / 7 = 11 kmph speed of stream = ½ ( 11 - 7 ) = 2 kmph answer : c