Question 42

The ages of seven boys B1, B2, B3, B4, B5, B6 and B7 are compared. All boys have different ages. The age of B4 is less than three boys. The age of B1 is only greater than B7 and B3. The age of B5 is greater than B6 but less than B2. The age of how many boys is less than B6?

Solution

The age of B4 is less than three boys.

>>>B4>>>

The age of B1 is only greater than B7 and B3.

>>>B4>B1>B3/B7>B7/B3

The age of B5 is greater than B6 but less than B2.

B2>B5>B6>B4>B1>B3/B7>B7/B3

According to the above arrangement, the age of four boys is less than B6.

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