Discussion

Explanation:

Let the total sales volume be 100. Let the sales volumes from India and outside India be 49 and 51 respectively. Let the sales from generic drugs and patented drugs be 51 and 49 respectively.

These values satisfy all the given conditions.

Solving by options,

Option 1:
If the sales volume of patented drugs in India is 43% of 49, the sales volume of generic drugs in India will be 57% (> 43%) of 49.
Also, (57% of 49) is an acceptable value for sales of generic drugs in India, as it will not exceed the total sales of generic drugs i.e. 51.
Hence, option (a) is eliminated.

Option 2:
If the sales volume of generic drugs in foreign countries is 24% of 51, the sales volume of patented drugs abroad will be 76% of 51 i.e. 38.76. Correspondingly, the sales volumes of patented drugs in India will be (49 – 38.76) i.e. 10.24, which is 20.9% (< 24%) of total sales in India i.e., 49.
Hence, option (b) is eliminated.

Option 3:
If the sales volume of patented drugs in India is 54% of 49, the sales volume of generic drugs in India becomes 46% of 49 i.e. 22.54. Correspondingly, the sales volumes of generic drugs abroad will be (51 – 22.54) i.e. 28.46, which is 55.8% (> 54%) of 51.
Hence, option (c) cannot be eliminated.

Option 4:
If the sales volume of patented drugs in India is 29% of 49, the sales volume of generic drugs in India becomes 71% of 49 i.e. 34.79. Correspondingly, the sales volumes of generic drugs abroad will be (51 – 34.79) i.e. 16.21, which is 31.8% (> 29%) of 51.
Hence, option (d) cannot be eliminated.

Option 5:

If the sales volume of generic drugs in India is 60% of 49, the sales volume of patented drugs in India becomes 40% of 49 i.e. 19.6. Correspondingly, the sales volumes of patented drugs abroad will be (49 – 19.6) i.e. 29.4, which is 57.6% (< 60%) of 51.
Hence, option (e) is eliminated.

Again considering option 3,
Let the sales volumes from India and outside India be 30 and 70 respectively. The rest of the values remain the same.
If the sales volume of patented drugs in India is 54% of 30, the sales volume of generic drugs in India becomes 46% of 30 i.e. 13.8. Correspondingly, the sales volumes of generic drugs abroad will be (51 – 13.8) i.e. 37.2, which is 53.1% (< 54%) of 70.

Hence, option (c) is eliminated.

Hence, option (d).

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