Two tests had the same maximum mark. The pass percentages in the first and the second test were 40% and 45% respectively. A candidate scored 231 marks in the second test and failed by 48 marks in that test. Find the pass mark in the first test?
Select the correct option.
A) 768
B) 243
C) 246
D) 625
E) 248
Let the maximum mark in each test be M.   The candidate failed by 48 marks in the second test.   pass mark in the second test = 231 + 48= 
<gadget id="calculator">231 + 48</gadget>
<output>279</output>
279   45/100 M= 279   Pass mark in the first test = 40/100 M = 40/45 * 279= 
<gadget id="calculator">40/45 * 279</gadget>
<output>248</output>
248.   Answer:248
<result>E</result>
Two tests had the same maximum mark. The pass percentages in the first and the second test were 40% and 45% respectively. A candidate scored 231 marks in the second test and failed by 48 marks in that test. Find the pass mark in the first test?