Two twins sisters Sita and Geeta were standing back to back and suddenly they started running in opposite directions for 2 km each. Then they turned left and ran for another 1.5 km.
What is the distance (in kilometers) between the the two twins when they stop?  Choose the most appropriate option:
A) 5	B) 7	C) 9	D) 11	E) 13
The distance between them is the hypotenuse of a right angle triangle with sides 3 km and 4 km.   hypotenuse = sqrt(3^2 + 4^2) = 5   The answer is 5.
<result>A</result>
Two twins sisters Sita and Geeta were standing back to back and suddenly they started running in opposite directions for 2 km each. Then they turned left and ran for another 1.5 km.
What is the distance (in kilometers) between the the two twins when they stop?