state gov DSSSB Junior Assistant, Steno and LDC Mock Test 2023 - 24 Quantitative Aptitude Ratio and Proportion Direct or Indirect Proportion
Price of electricity is fixed upto 50 units of electricity used and then charged Rs. 8 per unit. If a consumer pays Rs. 774 bill in a month and uses 128 units of electricity, then find the fixed amount.
1
Rs. 100
2
Rs. 120
3
Rs. 200
4
Rs. 150