If Aman and Bhanu together earn

Solution

ATQ, Increased Income of Bhanu = Rs.'b' Increased Income of Aman = Rs.b/1.32 Total Initial Income of Aman & Bhanu = b/(1.32 × 1.25) + b/1.125 = b/1.65 + b/1.125 = 20b/33 + 8b/9 = 148b/99 Option I,  b = Rs.9900 Total Initial Income of Aman & Bhanu = 148/99 × 9900 = Rs.14800 Hence, Option I is correct. Option II,  b = Rs.7920 Total Initial Income of Aman & Bhanu = 148/99 × 7920 = Rs.11840 Hence, Option II is correct. Option III,  b = Rs.6860 Total Initial Income of Aman & Bhanu = 148/99 × 6860 = Rs.10255.35 Hence, Option III is incorrect. Option IV,  b = Rs.5940 Total Initial Income of Aman & Bhanu = 148/99 × 5940 = Rs.8880 Hence, Only I, II and IV can fill the blanks