JAMB Mathematics 2015

0%
0

JAMB Mathematics 2015

Please enter your details to begin the test.

1 / 64

Evaluate log5(y^2x^5 ÷ 125b½)

2 / 64

Find the x and y intercepts of the graph of 3x - z ≤ 9

3 / 64

Simplify (0.09)2 and give your answer correct to 4 significant figures

4 / 64

If duty is levied at 25%, find the duty to be added to a bill of N80.

5 / 64

Simplify \frac{1}{(x + 1)} + \frac{1}{(x − 1)}

6 / 64

The amount A to which a principal P amounts at r% compound interest for n years is given by the formula A = P(1 + (r ÷ 100))n. Find A, if P = 126, r = 4 and n = 2.

7 / 64

If A = (−3,5) and B = (4,−1) find the co-ordinate of the mid point

8 / 64

Find the distance between the points (-2,-3) and (-2,4)

9 / 64

Simplify 1¼ ÷ (2 ÷ ¼ of 28)

10 / 64

The probability of an outcome A is 1/6 . The probability of the B outcome is 1/4 . If the probability of A or B or both is 1/12 . What is the probability of both outcomes A and B?

11 / 64

Given that tan x = \frac{2}{3}, where 0o d" x d" 90o, Find the value of 2sinx.

12 / 64

Simplify 2.04 × 3.7 (Leave your answer in 2 decimal place)

13 / 64

Integral ∫ (5x^3 + 7x^2 − 2x + 5)dx

14 / 64

Factorize a^2 − b^2 − 4a + 4

15 / 64

Evaluate log717

16 / 64

One bag contain 3 blue and 5 red balls, another bag contain 2 blue and 4 red balls respectively. One ball is drawn for each bag. What is the probability both balls are blue

17 / 64

Factorize x^2 − 2x − 15

18 / 64

Find the equation of a line which is form origin and passes through the point (−3, −4)

19 / 64

A public car dealer marked up the cost of a car at 30% in an attempt to make 20% gross profit. Due to the value of dollar, he now placed 20% discount on the car. What profit or loss will he make?

20 / 64

Find at which rate per annum simple interest N525 will amount to N588 in 3 years

21 / 64

Given that Z = {1,2,4,5} what is the power of set Z?

22 / 64

Find the total surface area of a cylinder of base radius 5cm and length 7cm ( π = 3.14)

23 / 64

Find the simple interest on N325 in 5years at 3% per annum.

24 / 64

If y = (x^2 + 3x − 1) ÷ (3x + 4). Find dy/dx

25 / 64

If √ (2x + 2) − √x =1 ,find x.

26 / 64

Find the value of x if [ 1 ÷ 64^{(x + 2)}]= [4^{(x − 3)} ÷ 16^x ]

27 / 64

The volume of a cylinder whose height is 4cm and whose radius 5cm is equal to (π = 3.14)

28 / 64

A man sells his new brand car for N420,000 at a gain of 15%. What did it cost him?

29 / 64

Make x the subject of the equation
s = 2 + t5(x + ⅗y)

30 / 64

Simplify 4 √[(390695T− 8)½)]

31 / 64

Simplify log101.5 + 3 log102 − log100.3

32 / 64

The extension of a stretched string is directly proportional to its tension. If the extension produced by a tension of 8 Newton’s is 2cm, find the extension produced by a tension of 12 newton’s.

33 / 64

A man bought a car for N800 and sold it for N520. Find his loss per cent

34 / 64

Given that A = {1, 5, 7}

B = {3, 9, 12, 15}

C = {2, 4, 6, 8}

Find (A ∪ B) ∪ C

35 / 64

If x + y = 90 simplify (sinx + siny)2−2sinxsiny

36 / 64

A man with an annual salary of N2000, has allowances of N600. If Income Tax is 5%. How much tax does he pay each year?

37 / 64

If an investor invest N450,000 in a certain organization in order to yield X as a return of N25,000. Find the return on an investment of N700,000 by Y in the same organization.

38 / 64

Simplify [1 ÷ (x^2 + 3x + 2)] + [1 ÷ (x^2 + 5x + 6)]

39 / 64

The sum of two numbers is 5; their product is 14. Find the numbers.

40 / 64

Simplify √30 × √40

41 / 64

Given that S and T are sets of real numbers such that S = {x : 0 ≤ x ≤ 5} and T = {x : − 2 < x < 3} Find S ∪ T

42 / 64

Find the range of values of t which satisfies the inequality.

2t − 1 ≤ 3 and 2− t ≥ 5

43 / 64

Solve x2 − 2x − 3 = 0

44 / 64

The area of a circle of radius 4cm is equal to (Take π = 3.142 )

45 / 64

100112 + *****2 + 111002 + 1012 = 10011112

46 / 64

How many sides has a regular polygon whose interior angles are 120°each

47 / 64

Simplify 6\frac{1}{12} − 2 ¾ + 1 ½

48 / 64

Calculate the value of x and y if (27x ÷ 81x+2y = 9 ,x + 4y = 0

49 / 64

Factorize x2 + 9x + 20

50 / 64

The area of an ellipse is 132cm2.The length of its major axis is 14cm.Find the length of it minor axis

51 / 64

In a town of 6250 inhabitants, there were 62 births during 1984. Find the percentage birth rate

52 / 64

Determine the third term of a geometrical progression whose first and second term are 2 and 14 respectively

53 / 64

X and Y are two sets such that nX = 15, nY = 12 and n{∩ Y} = 7. Find ∩{X ∪ Y}

54 / 64

A pipe made of metal 10cm thick has an external radius of 11cm. find the area of metal in making 2.4cm of pipe

55 / 64

\int x^2 \text{Sin}x \Delta x

56 / 64

Solve the equation 3x^2 − 4x − 5 = 0

57 / 64

The probability of an event A is 1/5. The probability of B is 1/3 . The probability both A and B is 1/15. What is the probability of either event A or B or both

58 / 64

If (159.75)10 = (y)6. Find x

59 / 64

Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm (π = 3.14)

60 / 64

Rationalize 5 ÷ (2 − √3)

61 / 64

The first and last term of a linear sequence (AP) are 6 and 10 respectively. If the sum of the sequence is 40. Find the number of terms

62 / 64

The volume of a cone (s) of height 6cm and base radius 5cm is

63 / 64

Solve the equation

5^{(x − 2)} = (1 ÷ 125)^{(x +3)}

64 / 64

If log520 = x, find x

Your score is

The average score is 0%

0%

Exit

Responses

You have to agree to the comment policy.

Expiration: no date set

                   

Sub-Category: Not sub-categorized

Class: Non-specific