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4,407 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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4,407 questions

Question 1 of 20 4,407 total questions

Question 1981

jamb 1987

The formula Q = 1.5 + 0.5n gives the cost Q(in Naira)of feeding n people for a week. Find (in kobo) the extra cost of feeding one additional person

A350k

B200k

C150k

D50k

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Question 1982

jamb 1987

If a = u\(^2\) - 3v\(^2\) and b = 2uv + v\(^2\) evaluate (2a - b)(a - b\(^2\)), when u = 1 and v = -1

B15

C27

D33

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Question 1983

jamb 1987

If P = \(\frac{\frac{2}{3}({1 - r^2})}{n^2}\), find n when r = \(\sqrt{\frac{1}{3}}\) and p = 1

A\(\frac{3}{2}\)

B\(\frac{1}{3}\)

D\(\frac{2}{3}\)

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Question 1984

jamb 1987

Simplify without using tables \(\frac{2\sqrt{14} \times 3\sqrt{21}}{7\sqrt{24} \times 2\sqrt{98}}\)

A\(\frac{3\sqrt{14}}{4}\)

B\(\frac{3\sqrt{2}}{4}\)

C\(\frac{3\sqrt{14}}{28}\)

D\(\frac{3\sqrt{2}}{28}\)

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Question 1985

jamb 1987

Simplify without using tables \(\frac{Log_26 - Log_23}{Log_28 - 2Log_2\frac{1}{2}}\)

A\(\frac{1}{5}\)

B\(\frac{1}{2}\)

C\(\frac{-1}{2}\)

D\(\frac{log_23}{log_27}\)

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Question 1986

jamb 1987

Evaluate without using tables (0.008) -\(\frac{1}{3}\) x (0.16) - \(\frac{3}{2}\)

A\(\frac{625}{8}\)

B\(\frac{8}{625}\)

C\(\frac{1}{8}\)

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Question 1987

jamb 1987

Four boys and ten girls can cut a field in 5 hours if the boys work at \(\frac{5}{4}\) the rate at which the girls work. How many boys will be needed to cut the field in 3 hours?

A180

B60

C25

D20

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Question 1988

jamb 1987

By selling 20 oranges for N1.35 a trader makes a profit of 8%. What is his percentage gain or loss if he sells the same 20 oranges for N1.10?

A8%

B10%

C12%

D15%

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Question 1989

jamb 1987

A man invests a sum of money at 4% per annum simple invest. After 3 years, the principal amounts to N7,000.00. Find the sum invested

AN7,840

BN6,250.00

CN616.00

DN5,833.33

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Question 1990

jamb 1987

Two brothers invested a total of N5,000.00 on a farm project, the farm yield was sold for N 15,000.00 at the end of the season. If the profit was shared in the ratio 2 : 3, what is the difference in the amount to profit received by the brothers?

AN2,000.00

BN4,000.00

CN6,000.00

DN10,000.00

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Question 1991

jamb 1987

If the length of a square is increased by 20% while while its width is decreased by 20% to form a rectangle, what is the ratio of the area of the rectangle to the area of the square?

A6 : 5

B25 : 24

C5 : 6

D24 : 25

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Question 1992

jamb 1987

A train moves from P to Q at an average speed of 90km/h and immediately returns from Q to P through the same route at an average speed of 45km/h. Find the average speed for the entire journey

A55.00km/h

B60.00km/h

C67.50km\h

D75.00km\h

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Question 1993

jamb 1987

Reduce each number to two significant figures and then evaluate \(\frac{0.021741 \times 1.2047}{0.023789}\)

A0.8

B0.9

C1.1

D1.2

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Question 1994

jamb 1987

A rectangular lawn has an area of 1815 square yards. if its length is 50 meters, find its width in meters given that 1 metre equals 1.1 yards

A39.93

B35.00

C33.00

D30.00

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Question 1995

jamb 1987

Find the least length of a rod which can be cut into exactly equal strips, each of either 40cm or 48cm in length

A120cm

B240cm

C360cm

D480cm

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Question 1996

jamb 1987

Convert 241 in base 5 to base 8,

A71₈

B107₈

C176₈

D241₈

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Question 1997

jamb 1986

In \(\bigtriangleup\)XYZ, determine the cosine of angle Z.

A\(\frac{3}{39}\)

B\(\frac{29}{36}\)

C\(\frac{14}{5}\)

D\(\frac{7}{5}\)

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Question 1998

jamb 1986

The people in a city with a population of 0.9 million were grouped according to their ages. Use the diagram to determine the number of people in the 15 - 29 years group

A29 x 10⁴

B26 x 10⁴

C16 x 10⁴

D13 x 10⁴

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Question 1999

jamb 1986

in the figure, PQ||ST, RS||UV. If PQR = 35o and QRS = 65o, find STV

A30^o

B35^o

C55^o

D65^o

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Question 2000

jamb 1986

In the figure, \(\bigtriangleup\)PQT is isosceles. PQ = QT, SRQ = 35o, TPQ = 20o and PQR is a straight line.Calculate TSR

A20^o

B55^o

C75^o

D140^o

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