Q84. If 12.5% of TV sold by D are defective and total defective items sold by D is 280, find the defective cell phones sold by D.
Quantitative Aptitude ·Previously asked in IBPS PO 2025
View the full solved paper: IBPS PO Pre 2025 Memory Based (23rd August, 1st Shift)
Question
Q84. If 12.5% of TV sold by D are defective and total defective items sold by D is 280, find the defective cell phones sold by D.
- A. 185 (Correct answer)
- B. 120
- C. 100
- D. 180
- E. 186
Correct Answer
Option A — 185
Detailed Solution & Explanation
The correct answer is 185.
Key Points
- From the graph, Cell phone = TV + Difference:
| Shop | TV | Cell phone | Total items |
|---|---|---|---|
| A | 320 | 520 | 840 |
| B | 600 | 880 | 1480 |
| C | 680 | 1080 | 1760 |
| D | 760 | 1280 | 2040 |
| E | 80 | 440 | 520 |
- Defective TVs sold by D = 12.5% × 760 = 95.
- Total defective items sold by D = 280.
- Defective cell phones sold by D = 280 − 95 = 185.
Topics covered: IBPS PO Prelims 2025 Memory Based Quantitative Aptitude Data Interpretation Line Graph DI