40 Practice Questions for Midterm Exam - Math 6

The set M of natural numbers greater than 15 and not exceeding 31 is:

• M = {16; 17; ...; 29; 30}.

• M = {x / x ∈ N, 15 < x ≤ 31};

• M = {x / x ∈ N, 15 < x < 31}.

• M = {16; 17; 18; ...}.

The set of letters in the phrase "SANG TAO" is:

• {S, A, N, G, T, O}.

• {S; A; N; G; T; A}.

• {S; N; G; O}.

• {S; A; N; G}.

• 115.

• 100.

• 125.

• 130.

• 40.

• 60.

• 22.

• 0.

• 83.

• 68.

• 132.

• 75.

Calculate: 268 + 45 + 132 + 55

• 400.

• 300.

• 200.

• 500.

Find x: 527 – (145 – x) = 387

• x = 5.

• x = 769.

• x = 10.

• x = –5

Find x: 175 – 5x = 25

• x = 40.

• x = 145.

• x = 150.

• x = 30.

• x = 13.

• x = 1.

• x = 5.

• x = 41

• x = 12.

• x = 1.

• x = 35.

• x = 315.