Tablets

[mmslf75]

Source GMATClub
A box contains 10 tablets of medicine A and 15 tablets of medicine B. If tablets are taken from the box at random, what is the least possible that ensures that at least two tablets of each kind are among the extracted?

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OA C

[maihuna]

Source GMATClub
A box contains 10 tablets of medicine A and 15 tablets of medicine B. If tablets are taken from the box at random, what is the least possible that ensures that at least two tablets of each kind are among the extracted?

12
15
17
19
21
OA C

taken 15 the worst case all from source B so 2 more will result in each source 2.

[mmslf75]

Source GMATClub
A box contains 10 tablets of medicine A and 15 tablets of medicine B. If tablets are taken from the box at random, what is the least possible that ensures that at least two tablets of each kind are among the extracted?

12
15
17
19
21
OA C

taken 15 the worst case all from source B so 2 more will result in each source 2.

Cant it be 12 ??

[gmat_basher]

Tablet - A = 10
Tablet - B = 15,

If you take 12, There is a possiblitity that all 12 can be from Tablet-B.

[Jeff@TargetTestPrep]

Source GMATClub
A box contains 10 tablets of medicine A and 15 tablets of medicine B. If tablets are taken from the box at random, what is the least possible that ensures that at least two tablets of each kind are among the extracted?

12
15
17
19
21

Let's consider the worst possible scenario: It's possible to take out 15 tablets and all of them are medicine B. In this case, we only take out one kind of medicine instead of both. Therefore, we need to take out at least 15 + 2 = 17 tablets (all 15 of medicine B and 2 of medicine A) to ensure that at least two tablets of each kind are extracted.

Answer: C