RRB RPF SI 5 Jan 2019 Shift 3 Paper

Martin donates 13% of his salary to an institution of blind, 12% of orphans, and 14% of the body of the organism, and gives 16% of his salary as help in setting up a medical camp. The remaining Rs. 42,300 He deposits in the bank for the monthly expense. How much does he donate to the orphans? (In Rs.)