If a clock takes 7seconds to strike 7, how long will the same clock take to strike 10? Choose the correct choice from the following choices:
A) 10.5	B) 11.5	C) 12.5	D) 13.5	E) 14.5
If a clock takes 7seconds to strike 7 , there are 6 time intervals of duration 7/6 secs.   10.5t 10, there are 9 time intervals of 7/6 secs having total duration of  9*7/6= 
<gadget id="calculator"> 9*7/6</gadget>
<output>21/2 = around 10.5</output>
10.5 secs for 10 strikes   10.5NSWER:10.5
<result>A</result>
If a clock takes 7seconds to strike 7, how long will the same clock take to strike 10?