In a 120 meters race A beats B by 56 m or 7 seconds. A's time over the course is:	Choose the correct choice from the following
A) 22 seconds B) 12 seconds C) 10 seconds D) 8 seconds E) 28 seconds
B runs 56 m in 7 sec.   =&gt; B runs 120 m in 7/56*120= 
<gadget id="calculator">7/56*120</gadget>
<output>15</output>
15 seconds   Since A beats B by 7 seconds, A runs 120 m in (15-7)= 
<gadget id="calculator">(15-7)</gadget>
<output>8</output>
8 seconds   Hence, A's time over the course= 8 seconds   ANSWER:8 seconds
<result>D</result>
In a 120 meters race A beats B by 56 m or 7 seconds. A's time over the course is: