AFCAT Reasoning & Logical Thinking 4

Question 1

If 4 × 3 = 48 and 5 × 4 = 100, then 6 × 5 = ?

Accepted Answer

180

Answer

The pattern is a × b × a: 4×3×4=48, 5×4×5=100, so 6×5×6=180.

Question 2

In a class, 30 students play cricket, 25 play football, and 10 play both. How many play at least one sport?

Accepted Answer

45

Answer

Using inclusion-exclusion: 30 + 25 − 10 = 45 students play at least one sport.

Question 3

Statement: No flowers are trees. All trees are plants. Which conclusion is definitely true?

Accepted Answer

Some plants are not flowers

Answer

All trees are plants but no flowers are trees, so some plants (the trees) are definitely not flowers.

Question 4

If all Blens are Mens, and no Men is a Den, which conclusion must be true?

Accepted Answer

No Blen is a Den

Answer

Since all Blens are Mens and no Men is a Den, it follows that no Blen can be a Den.

Question 5

How many triangles are there in a large triangle divided into 4 equal smaller triangles?

Accepted Answer

5

Answer

There are 4 small triangles + 1 large outer triangle = 5 triangles total.

(AFCAT) Air Force Common Admission Test Practice Test