TerraNova Mathematics 2

Question 1

What is the least common multiple (LCM) of 4 and 6?

Accepted Answer

12

Answer

The smallest number divisible by both 4 and 6 is 12.

Question 2

A train travels 240 miles in 4 hours. What is its average speed?

Accepted Answer

60 mph

Answer

Speed = distance ÷ time = 240 ÷ 4 = 60 mph.

Question 3

Which of the following is a prime number?

Accepted Answer

29

Answer

29 has no factors other than 1 and itself, making it prime.

Question 4

What is the perimeter of a square with a side length of 7 inches?

Accepted Answer

28 inches

Answer

Perimeter of a square = 4 × side = 4 × 7 = 28 inches.

Question 5

What is the value of 2³?

Accepted Answer

8

Answer

2³ means 2 × 2 × 2 = 8.

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