Question 116:

• WAEC 2016

Consider the statements:
p : Musa is short
q : Musa is brilliant
Which of the following represents the statement "Musa is short but not brilliant"?

A. \(p \vee q\)
B. \(p \vee \sim q\)
C. \(p \wedge \sim q\)
D. \(p \wedge q\)

Question 117:

• WAEC 2016

If \(f(x) = \frac{4}{x} - 1, x \neq 0\), find \(f^{-1}(7)\).

A. \(\frac{-3}{7}\)
B. \(0\)
C. \(\frac{1}{2}\)
D. \(4\)

Question 118:

• WAEC 2015

Forces of magnitude 8N and 5N act on a body as shown above. Calculate, correct to 2 dp, the angle that the resultant makes with the horizontal.

A. 80.76°
B. 75.00°
C. 71.99°
D. 15.00°

Question 119:

• WAEC 2015

Forces of magnitude 8N and 5N act on a body as shown above. Calculate, correct to 2 d.p , the resultant force acting at O.

A. 14.06N
B. 13.00N
C. 9.83N
D. 8.26N

Question 120:

• WAEC 2015

Forces \(F_{1} = (8N, 030°)\) and \(F_{2} = (10N, 150°)\) act on a particle. Find the horizontal component of the resultant force.

A. 1.7N
B. 4.5N
C. 9.0N
D. 13.0N