Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Solution
$$515\times485$$
=Â $$(500 + 15)\times(500 - 15)$$
= $$(500)^2 - (15)^2$$
($$\because (a - b)(a + b) = a^2 - b^2$$)
= 250000 = 225 = 249775
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
