A number increased by 30% gives 780. The number is	Choose the correct choice from the following:  A) 250  B) 400  C) 450  D) 600  E) 520
Formula = TOTAL=100% ,INCRESE = "+" 600ECREASE= "-"   A number means = 100 %   That same number increased by 30 % = 130 %   130 % -------&gt; 780 (130 × 6= 780)   100 % -------&gt; 600 (100 × 6 =600)   600)
<result>D</result>
A number increased by 30% gives 780. The number is