Correct option is D
Solution:
30% of 199.99 + 35.023% of 550.045 = ? - 540.078
=> 30.01% of 199.99 + 35.023% of 550.045 = ? - 540.078
=> 0.3001 × 199.99 + 0.35023 × 550.045 = ? - 540.078
=> 60.016999 + 192.64226035 + 540.078 = ?
=> ? = 792.737
792.737 ~ 790
Hence, the required value is 790.