how many seconds will a train 100 meters long take to cross a bridge 130 meters long if the speed of the train is 36 kmph? Select:  A) 26  B) 72  C) 25  D) 23  E) 27
<gadget id="calculator">130 + 100</gadget>
<output>230</output>

<gadget id="calculator">10 / 36</gadget>
<output>5/18 = around 0.277778</output>

<gadget id="calculator">36 * (5/18)</gadget>
<output>10</output>

<gadget id="calculator">230 / 10</gadget>
<output>23</output>

<result>D</result>
how many seconds will a train 100 meters long take to cross a bridge 130 meters long if the speed of the train is 36 kmph?
divide(add(130, 100), multiply(36, const_0_2778))
"explanation : d = 100 + 130 = 230 s = 36 * 5 / 18 = 10 mps t = 230 / 10 = 23 sec answer : option d"