JAMB Mathematics 2008 Past Questions

Add 1101₂,10111₂ and 111₂

If 125_x = 20₁₀ find x

Evaluate \(\frac{\left(\frac{3}{8}\div\frac{1}{2}+\frac{1}{2}\right)}{\left(\frac{1}{8}\times\frac{2}{3}+\frac{1}{3}\right)}\)

Express 1223456 to 3 significant figures

calculate the simple interest on N6,500 for 8 years at 5% per annum.

The cost of kerosine per liter increase from N60 to N85. What is the percentage rate of increase?

simplify \(16^{\frac{-1}{2}}\times 4^{\frac{-1}{2}} \times 27^{\frac{1}{3}}\)

If log_x¹/264 = 3, find the value of x

If \(\frac{1+\sqrt{2}}{1-\sqrt{2}}\) is expressed in the form of x+y√2 find the values of x and y

If X = {n² + 1:n = 0,2,3} and Y = {n+1:n=2,3,5}, find X∩Y.

A book seller sells Mathematics and English books. If 30 customers buy Mathematics books, 20 customers buy English books and 10 customers buy the two books, How many customers has he altogether.

Make Q the subject of formula when \(L=\frac{4}{3}M\sqrt{PQ}\)

If 2x² - kx - 12 is divisible by x-4, Find the value of k.

Factorize complete;y (4x+3y)² - (3x-2y)²

If x - 3 is directly proportional to the square of y and x = 5 when y =2, find x when y = 6.

If p = varies inversely as the square of q and p=8 when q=4, find when p=32

Find the range of values of x which satisfy the inequalities 4x - 7 \(\leq\) 3x and 3x - 4 \(\leq\) 4x

Solve the quadratic inequalities x² - 5x + 6 ≥0

The fifth term of an A.P is 24 and the eleventh term is 96. Find the first term.

A binary operation * is defined on the set of positive integers is such x*y = 2x-3y+2 for all positive integers x and y. The binary operation is

A binary operation on the real set of numbers excluding -1 is such that for all m, n ∈ R, mΔn = m+n+mn. Find the identity element of the operation.

In the diagram above, PQ//Rs. The size of the angle marked x is

Find the exterior angle of a 12 sided regular polygon

In the diagram above ∠OPQ is

Find the area of the figure above
[π = ²²/₇]

Find the angle subtended at the center of a circle by a chord which is equal in length to the radius of the circle.

Find the capacity in liters of a cylindrical well of radius 1 meter and depth 14 meters
[π = ²²/₇]

The locus of a point equidistant from two points p(6,2) and R(4,2) is a perpendicular bisector of PR passing through

Find the gradient of a line which is perpendicular to the line with the equation 3x + 2y + 1 = 0

If sinθ = ³/₅. Find Tanθ

Find the derivative of \(y=\frac{x^7 - x^5}{x^4}\)

Differentiate sin x - x cos x

Find the minimum value of the function y = x(1+x)

Evaluate \(\int_1 ^2(6x^2-2x)dx\)

Evaluate \(\int^{\frac{\pi}{2}} _{\frac{-\pi}{2}} cos x dx\)

On a pie chart there s=are six sectors of which four angles are 30^o, 45^o, 60^o, 90^o and the remaining two angles are in the ratio 2:1. Find the smallest angles of the remaining two angles

He bar chart above shows the number of times the word a, and , in, it, the , to appear in a paragraph in a book. What is the ratio of the least frequent word?

What is the mean of the data t, 2t-1, t-2, 2t-1, 4t and 2t+2?

Find the median of 4, 1, 4, 1, 0, 4, 4, 2 and 0

If x > 0, find the range of number x-3, 3x+2,x-1, 4x, 2x-1, x-2, 2x-2, 3x and 3x+1

Find the mean deviation of 2, 4, 5, and 9

In how many ways can the letters of the word ACCEPTANCE be arranged?

Find the number of ways of selecting 6 out of 10 subjects for an examination

The probability of picking a letter T fr4om the word OBSTRUCTION is

The result of rolling a fair die 150 times is ass summarized in the table above. What is the probability of obtaining a 5

Add 1101₂, 10111₂ and 111₂

If 125_x = 20₁₀, find x

Evaluate \(\frac{\frac{3}{8} \div \frac {1}{2} - \frac{1}{3}}{\frac{1}{8} \times \frac {2}{3} + \frac{1}{3}}\)

Express 123456 to 3 significant figures

Calculate the simple interest on N7500 for 8 years at 5% per annum