The C.P of an article is 40% of the S.P. The percent that the S.P is of C.P is:________?

The C.P of an article is 40% of the S.P. The percent that the S.P is of C.P is:________?

A. 40
B. 60
C. 240
D. 250
Explanation:
Let S.P = Rs. 100
Then, C.P = Rs. 40
Required Percent = (100/40 × 100) % = 250 %