If the given two numbers are respectively 7% and 28% of a third number, then what percentage is the first of the second ?\nOptions:\n(A) 20%\n(B) 25%\n(C) 18%\n(D) 30%\n(E) none of these Stream of consciousness first, then make a decision:
User
Here, l = 7 and m = 28\nTherefore, first number = l/m x 100% of second number = 7/28 x 100% of second number = 25% of second number
Thus, the answer is (B).
Assistant