IBPS Clerk Prelims Model Paper 16

Total revenues of 7 years = 83 × 7 = 58 lakhs
Total revenues of first 4 years = 78 × 4 = 312 lakhs
Total revenues of last 4 years = 90 × 4 = 360 lakhs
Total revenues of 8 years = 672 lakhs Revenues of 4th year = 672 — 581 = ₹ 91 lakhs