Question

The monthly salary of Mr. Sachdev gets increased by 5%, thereby his salary becomes Rs. 15,120 per annum, His earlier monthly salary (before the increase) was 1)Rs. 1,200 2)Rs. 1,240 3)Rs. 1,440 4)Rs. 1,320

Answer 1

1. x = 15120/12 = 1260 (monthly salary)
2. 1200 x 0.05 = 60 (raise)
Check: 1200+60=1260