Mr. Ankit is on tour to Siachin and he has Rs. 360 for his expenditure. If he exceeds his tour by 4 days, he must trim down his daily expenditure by Rs.3. Forhow many days is Mr. Ankit is on tour?
A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series. 400, -200, 100, ? , 25, -12.5