How good are you with figures and formulas? Find out with these Mathematics past questions and answers. This Test is useful for both job aptitude test candidates and students preparing for JAMB, WAEC, NECO or Post UTME.
{a,c}
{a, c, d, g}
{c, d, g}
{a, c, g}
Correct answer is D
U = {a, b, c, d, e, f, g} P = {b, d, e, f} Q = {a, c, f, g} P' = {a, c, g} P' ∩ Q = {a, c, g}
The variance of a given distribution is 25. What is the standard deviation?
125
75
25
5
Correct answer is D
S.D = \(\sqrt{Variance}\)
= \(\sqrt{25}\)
= 5
Simplify \(5\frac{1}{4}\div \left(1\frac{2}{3}- \frac{1}{2}\right)\)
\(1\frac{3}{4}\)
\(3\frac{1}{2}\)
\(4\frac{1}{2}\)
\(8\frac{1}{2}\)
Correct answer is C
\(5\frac{1}{4}\div \left(1\frac{2}{3}- \frac{1}{2}\right)\\
\frac{21}{4}\div \left(1\frac{4-3}{6}\right)\\
\frac{21}{4}\div \left(1\frac{1}{6}\right)\\
\frac{21}{4} \times \frac{6}{7}= 4\frac{1}{2}\)
In the diagram above, ∠PQU=36°, ∠QRT = 29°, PQ||RT. Find ∠PQR
94o
65o
61o
54o
Correct answer is B
< UQR = 29° (alternate angles)
< PQR = < PQU + < UQR
= 36° + 29°
= 65°
\(24\sqrt{3} cm^2\)
\(36\sqrt{3} cm^2\)
\(42\sqrt{3} cm^2\)
\(72\sqrt{3} cm^2\)
Correct answer is A
No explanation has been provided for this answer.