The selling price of mobiles of 5 companies in different years are presented below: SELLING PRICES OF…
At least three years are established: 2020, 2021 and 2022. Company B reduced its price by 3000, 3000 and 2000 in those years, respectively, so the stated necessary condition…
Choose your answer
SELLING PRICES OF MOBILES
| 2019 | 2020 | 2021 | 2022 | 2023 | |
| A | 4000 | 3500 | 3000 | 2500 | 2200 |
| B | 18000 | 15000 | 12000 | 10000 | 8500 |
| C | 9500 | 8000 | 7500 | 6000 | 5000 |
| D | 11000 | 9500 | 8000 | 7500 | 6000 |
| E | 4500 | 4000 | 3500 | 3000 | 2000 |
In any given year only if the X company introduced a new mobile phone in the market, other companies decreased the selling price of at least one of models by more than Rs. 1600 . In at least how many years must X company have introduced a new mobile phone in the market during the given period?
Answer and explanation
Correct answer B
At least three years are established: 2020, 2021 and 2022. Company B reduced its price by 3000, 3000 and 2000 in those years, respectively, so the stated necessary condition establishes an introduction in each year. No decrease exceeds 1600 in 2023, which does not establish whether an introduction occurred then.
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