SSC CPO SI and ASI Model Paper 4

(3) Total number of cars sold by S3
= 0.09 × 8400 = 756
Number of diesel cars sold by S3
= 0.11 × 4500 = 495
Number of petrol cars sold by S3
= 756-495 = 261
Total number of cars sold by S7
= 0.10 × 8400 = 840
Number of diesel cars sold by S7
= 0.15 × 4500 = 675
Number of petrol cars sold by S7
= 840 – 675 = 165
Required difference = 261 – 165= 96