COOP COOP Logical Reasoning 2

Question 1

Five friends stand in a line. Tom is third. Sara is behind Tom. Where is Sara?

Accepted Answer

Fourth or fifth

Answer

Behind Tom (who is third) means Sara is in position 4 or 5.

Question 2

If it takes 3 workers 6 hours to complete a job, how long will it take 6 workers to complete the same job?

Accepted Answer

3 hours

Answer

Doubling the workers halves the time: 6 ÷ 2 = 3 hours.

Question 3

Which statement is the opposite of 'All birds can fly'?

Accepted Answer

At least one bird cannot fly

Answer

The opposite of 'all' is 'at least one exception,' so at least one bird cannot fly.

Question 4

A box contains red and blue balls. There are twice as many red balls as blue balls. If there are 6 blue balls, how many balls are there in total?

Accepted Answer

18

Answer

Red balls = 2 × 6 = 12; total = 12 + 6 = 18.

Question 5

Which shape has exactly 4 equal sides and 4 right angles?

Accepted Answer

Square

Answer

A square has 4 equal sides and 4 right angles, unlike rectangles (sides not equal) or rhombuses (no right angles).

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