Logical Problems 2

6)
I. All flowers in the garden are red.
II. Some of the flowers are roses.
III. All roses in the garden are red.

If the first two statements are true, the third statement is

  1. False
  2. True
  3. Uncertain

Answer: B

Explanation:

From the first two statements, it is clear that all roses in the garden are red.


7)
I. The Majestic mall has more restaurants than the Star Mall.
II. The Wave Mall has fewer restaurants than the Star Mall.
III. The Majestic Mall has more restaurants than Wave Mall.

If the first two statements are true, the third statement is

  1. False
  2. True
  3. Uncertain

Answer: B

Explanation:

From the first two statements, we can conclude that the Majestic Mall has more restaurants than Star as well as Wave mall.


8)
I. All the roses in Maria's garden are white.
II. All the petunias in Maria's garden are yellow.
III. All the flowers in Maria's garden are either white or yellow.

If the first two statements are true, the third statement is

  1. False
  2. True
  3. Uncertain

Answer: C

Explanation:

The first two statements provide information about Maria's roses and petunias. She has both white and yellow flowers and may have some other kind of flowers with different colors.


Type 2:

9)
I. Geeta has four children.
II. Two of the children have green eyes, and two of the children have blue eyes.
III. Half of the children are girls.

If all the statements are true, which of the following statements must be true?

1. At least one boy has blue eyes.
2. Two of the children are girls.
3. The girls have green eyes.

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 only
  4. 2 only

Answer: D

Explanation:

Half (two) of the four children are boys, so the other two must be girls. It is not clear from the statements that which children have green or blue eyes. Thus, the answer is option D.

10)
I. All chickens are birds.
II. Some chickens are hens.
III. Male birds do not lay eggs.

If all the above statements are true, which of the following statements must be true?

1. Hens are birds.
2. All birds lay eggs.
3. Some chickens are not hens.

  1. 1 and 2 only
  2. 2 and 3 only
  3. 3 only
  4. 1 and 3 only

Answer: D

Explanation:

The second statement is not true as only female birds lay eggs. The first statement is true as hens are chickens and all chickens are birds. The third statement is also true as some chickens are hens, then some must not be hens.



Logical Problems 1
Logical Problems 3
Logical Problems 4





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