Question

On the first day after demonetization, Raju spent Rs 4400. On the 2nd day, he spent Rs. 4000. On the third day, he spent 3600. He continued doing this, decreasing the amount of money by Rs. 400 each day. On the last day, obviously, he spent Rs. 400, after which he stopped. How much money did he spend in total?

Answer 1

4400+ 4000+3600 +3200+2800+2400+2000+1600+1200+800+400

26400