Mathematics Past Questions

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89 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

89 questions
Question 1 of 20 89 total questions
Question 31
jamb 2021

If w varies inversely as \(\frac{uv}{u + v}\) and w = 8 when

u = 2 and v = 6, find a relationship between u, v, w.

Auvw = 16(u + v)
B16uv = 3w(u + v)
Cuvw = 12(u + v)
D12uvw = u + v
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Question 32
jamb 2021

A car travels from calabar to Enugu, a distance of P km with an average speed of U km per hour and continues to benin, a distance of Q km, with an average speed of Wkm per hour. Find its average speed from Calabar to Benin

A\(\frac{(p + q)}{pw + qu}\)
B\(\frac{uw(p + q)}{pw + qu}\)
C\(\frac{uw(p + q)}{pw}\)
D\(\frac{uw}{pw + qu}\)
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Question 33
jamb 2021

Simplify 2log \(\frac{2}{5}\) - log\(\frac{72}{125}\) + log 9

A1 - 4 log3
B-1 + 2 log 3
C-1 + 5 log2
D1 - 2log 2
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Question 34
jamb 2021

Musa borrows N10.00 at 2% per month simple interest and repays N8.00 after 4 months. How much does he still owe?

AN10.80
BN10.67
CN2.80
DN2.67
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Question 35
jamb 2021

Find the probability that a number selected at random from 41 to 56 is a multiple of 9

A\(\frac{1}{8}\)
B\(\frac{2}{15}\)
C\(\frac{3}{16}\)
D\(\frac{7}{8}\)
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Question 36
jamb 2021

Two numbers are removed at random from the numbers 1, 2, 3 and 4. What is the probability that the sum of the numbers removed is even?

A\(\frac{2}{3}\)
B\(\frac{1}{2}\)
C\(\frac{1}{3}\)
D\(\frac{1}{4}\)
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Question 37
jamb 2021

The mean of ten positive numbers is 16. When another number is added, the mean becomes 18. Find the eleventh number

A3
B16
C38
D30
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Question 38
jamb 2021

4, 16, 30, 20, 10, 14 and 26 are represented on a pie chart. Find the sum of the angles of the bisectors representing all numbers equals to or greater than 16

A48o
B84o
C92o
D276o
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Question 39
jamb 2021

The locus of a point which moves so that it is equidistant from two intersecting straight lines is the?

Aperpendicular bisector of the two lines
Bangle bisector of the two lines
Cbisector of the two lines
Dline parallel to the two lines
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Question 40
jamb 2021

A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pipe is 10cm.Find the volume of metal used in making 3m of the pipe.

A153\(\pi\)cm3
B207\(\pi\)cm3
C15 300\(\pi\)cm3
D20 700\(\pi\)cm3
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Question 41
jamb 2021

Each of the interior angles of a regular polygon is 140°. How many sides has the polygon?

A9
B8
C7
D5
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Question 42
jamb 2021

Find the length of a side of a rhombus whose diagonals are 6cm and 8cm

A8cm
B5cm
C4cm
D3cm
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Question 43
jamb 2021

The angle of a sector of a circle, radius 10.5cm, is 48°, Calculate the perimeter of the sector

A8.8cm
B25.4cm
C25.6cm
D29.8cm
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Question 44
jamb 2021

P(-6, 1) and Q(6, 6) are the two ends of the diameter of a given circle. Calculate the radius.

A6.5 units
B13.0 units
C3.5 units
D7.0 units
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Question 45
jamb 2021

Three brothers in a business deal share the profit at the end of a contract. The first received \(\frac{1}{3}\) of the profit and the second \(\frac{2}{3}\) of the remainder. If the third received the remaining N12000.00 how much profit did they share?

AN60 000.00
BN54 000.00
CN48 000.00
DN42 000.00
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Question 46
jamb 2021

Simplify \(\sqrt{27}\) + \(\frac{3}{\sqrt{3}}\)

A4\(\sqrt{3}\)
B\(\frac{4}{\sqrt{3}}\)
C3\(\sqrt{3}\)
D\(\frac{\sqrt{3}}{4}\)
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Question 47
jamb 2021

Simplify and express in standard form \(\frac{0.00275 \times 0.00640}{0.025 \times 0.08}\)

A8.8 x 10-1
B8.8 x 10-2
C8.8 x 10-3
D8.8 x 103
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Question 48
jamb 2021

Three children shared a basket of mangoes in such a way that the first child took \(\frac{1}{4}\) of the mangoes and the second \(\frac{3}{4}\) of the remainder. What fraction of the mangoes did the third child take?

A\(\frac{3}{16}\)
B\(\frac{7}{16}\)
C\(\frac{9}{16}\)
D\(\frac{13}{16}\)
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Question 49
jamb 2021

At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?

A\(\frac{1}{2}\)%
B2\(\frac{1}{2}\)%
C1.5%
D25%
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Question 50
jamb 2021

Find the mean deviation of 1, 2, 3 and 4

A1.0
B1.5
C2.0
D2.5
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