SSC CHSL 9-Jan-2017 Shift 1 Paper

Marked price of item = Rs. 400
Amount saved on buying 1 item =

6

100

×400=Rs.24
Marked price of 4 items = 4×400=Rs. 1600
Amount saved on buying 4 items =

24

100

×1600 = Rs.384
Thus, on buying 5 items, total amount saved = 24 + 384 = Rs. 408
Total marked price of 5 items = 400 + 1600 = Rs. 2000
∴ Effective discount =

408

21000

×100
=

204

10

=20.4%