Find the smallest number which should be multiplied with 520 to make it a perfect square.
Choose the correct answer.
A) 30	B) 120	C) 55	D) 35	E) None of these
520 = 26 * 20 = 2 * 13 * 22 * 5 = 23 * 13 * 5   Required smallest number = 2 * 13 * 5= 
<gadget id="calculator">2 * 13 * 5</gadget>
<output>130</output>
130   130 is the smallest number which should be multiplied with 520 to make it a perfect square.   ANSWNone of theseR:None of these
<result>E</result>
Find the smallest number which should be multiplied with 520 to make it a perfect square.