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If M represents the median and D the mode of the measurements 5, 9, 3, 5, 8 then (M,D) is 10. If x + 2 and x – 1 are factors ofthe expressions lx + 2kx2 + 24, find the values of l and k
A. (6,5) B. (5,8) C. (5,7) A. l = -6, k = -9 B. l=-2,k=1 C. l=-2,k=-1
D. (5,5) E. (7,5) D. l = 0, k = 1 E. l = 6, k = 0
2. A construction company is owned by two partners X
and Y and it is agreed that their profit will be divided in
the ratio 4:5. at the end of the year. Y received #5,000
more than x. what is the total profit of the company for
the year?
A. #20,000.00 B. P’0#25,000.00 C. #30,000.00
D. #15,000.003 E.#45,000.00
3. Given a regular hexagon, calculate each interior angle
of the hexagon.
A. 600 B. 300 C. 1200
D. 450 E. 1350
4. Solve the following equations
4x – 3 = 3x + y = 2y+ 5x – 12
A. 4x = 5, y=2 B. x=2, y=5 C. x=-2, y= -5
D. x = 5, y=-2 E. x = -5, y= -2
5. If x = 1 is the root of the equation
x
3 – 2×2 – 5x + 6, find the other roots
A. -3and2 B. –2 and2 C. 3and–2
D. 1and3 E. –3and1
6. If x is jointly proportional to the cube of y and the
fourth power of z. In what ratio is x increased or
decreased when y is halved and z is doubled?
A. 4:1 increase B. 2:1 increase C. 1:4 decrease
D. 1: 1 no change E. 3: 4 decrease
7. P Q
S R
In the above figure PQR = 600, QPR = 900
, PRS = 900
,
RPS = 450
, QR= 8cm. Determine PS
A. 23cm B. 46cm C. 2cm
D. 86cm E. 8cm
8. Given that cos z = L, where z is an acute angle find an
expression for Co +Z – cosecz
sec Z + tan z
A. l – L B. L
2
-−L
2 C. -L-−L
1+L L2+L-1 (C1+L) +−L
D. L−. E. L-(L2
-1)
(L1+L2
) +−L
2
1+ 1 – L
2+ 1 – L
2
9. If0.0000152 x 0.00042=Ax 108
,where
11. Make T the subject of the equation
av = 3 2V + T
1- V a 2T
A. 3av/(1-v) B. 2v(1-v)2
– a
2v
2
/2a2v
2
-(1-V)2
C. 2v(1 – v)2 + a3v
2
/ 2a2v
2 + (1 – v)2
D. 2v(1 – v)2
– a
4v
3
/2a3v
3
– (1 – v)3
E. 2v(1-v)3
– a
4v
3
/2a3v
3 + (1-v
DOWNLOAD JAMB MATHEMATICS PAST QUESTIONS AND ANSWER PDF
JAMB Mathematics Past Questions 1983 – 2004
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