70% of 300 + 25% of 400 - ? = 256 Choose the correct option.
A) 48 B) 68 C) 54 D) 60 E) None of these
Explanation :   Solution: Let 70% of 300 + 25% of 400 - x = 256.   then, x = (70/100 * 300) + (25/100 * 400) - 256 = 210+100 -256= 
<gadget id="calculator">210+100 -256</gadget>
<output>54</output>
54.   Answer : 54
<result>C</result>
70% of 300 + 25% of 400 - ? = 256