laxmi and prasanna set on a journey. laxmi moves northwards at a speed of 15 kmph and prasanna moves southward at a speed of 45 kmph. how far will be prasanna from laxmi after 60 minutes?  Choose the correct choice from the following choices.
A) 11
B) 50
C) 28
D) 27
E) 60
<gadget id="calculator">15 + 45</gadget>
<output>60</output>

<result>E</result>
laxmi and prasanna set on a journey. laxmi moves northwards at a speed of 15 kmph and prasanna moves southward at a speed of 45 kmph. how far will be prasanna from laxmi after 60 minutes?
add(15, 45)
"explanation : we know 60 min = 1 hr total northward laxmi ' s distance = 15 kmph x 1 hr = 15 km total southward prasanna ' s distance = 45 kmph x 1 hr = 45 km total distance between prasanna and laxmi is = 15 + 45 = 60 km . answer : e"