JEE Main 2021 Physics question

Two particles A and B having charges 20 C and –5 C respectively are held fixed with a separation of 5 cm. At what position a third charged particle should be placed so that it does not experience a net electric force?

• (A)At 5 cm from 20 C on the left side of system
• (B)At 5 cm from –5 C on the right sideCorrect
• (C)At 1.25 cm from –5 C between two charges
• (D)At midpoint between two charges