Concept: The question tests on the basics of Rates(Time and Work)
Solution:
5 men earn 5250 in a day. Therefore 1 man earn 5250/5 = 1050/day
7 men will earn 7 * 1050 = 7350
7 women earn 5250 in a day. Therefore 1 woman earn 5250/7 = 750/day
13 women will earn 13 * 750 = 9750
Total amount = 7350 + 9750 = 17100
Option D