Two cyclist start from the same places in opposite directions. One is going towards north at 10kmph and the other is going towards south 40kmph. What time will they take to be 50km apart?
Choose the correct choice from the following answers:
A) 1hr B) 2hrs C) 3hrs D) 5hrs E) 6hrs
To be (10+40) km apart, they take 1 hour   To be 50 km apart, they take   1/50 *50= 
<gadget id="calculator">  1/50 *50</gadget>
<output>1</output>
1 hrs   1hrnswer is 1hr
<result>A</result>
Two cyclist start from the same places in opposite directions. One is going towards north at 10kmph and the other is going towards south 40kmph. What time will they take to be 50km apart?