Two men started from the same place walk at the rate of 10kmph and 12kmph respectively. What time will they take to be 20 km apart, if they walk in the same direction? Answers
A) 5hours	B) 10hours	C) 8hours	D) 10hours	E) 12hours
To be 2km apart they take 1 hour   To be 10km apart they take = 1/2 * 20= 
<gadget id="calculator">1/2 * 20</gadget>
<output>10</output>
10 hours   Answer is 10hours
<result>B</result>
Two men started from the same place walk at the rate of 10kmph and 12kmph respectively. What time will they take to be 20 km apart, if they walk in the same direction?