Three person Sobhir, Mohit and Bhola works in a company. Monthly income of Sobhir and Mohit is in the ratio of 20 : 21, respectively. Sobhir saves 37.5% of his monthly income while Mohit spends 71(3 / 7)% of his monthly income. Monthly savings of Bhola is (400 / 9)% less than the montly savings of Sobhir and Mohit together while monthly expenditure of Bhola is (400 / 11)% less than the monthly expenditure of Sobhir and Mohit together. If monthly income of Bhola is Rs. 50,000, then, find the monthly expenditure of Mohit?