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2,359 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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2,359 questions

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Question 671

jamb 2000

P is a point on one side of the straight line UV and P moves in the same direction as UV. If the straight line ST is on the locus of P and angle VUS = 50°, find angle UST.

A310°

B130°

C80°

D50°

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Question 672

jamb 2000

A frustrum of pyramid with square base has its upper and lower sections as squares of sizes 2m and 5m respectively and the distance between them 6m. Find the height of the pyramid from which the frustrum was obtained.

A8.0 m

B8.4 m

C9.0 m

D10.0 m

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Question 673

jamb 2000

If α and β are the roots of the equation 3x\(^2\) + 5x - 2 = 0, find the value of 1/α + 1/β

A-5/3

B-2/3

C1/2

D5/2

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Question 674

jamb 2000

Solve the inequality 2 - x > x\(^2\).

Ax < -2 or x > 1

Bx > 2 or x< -1

C-1 < x < 2

D-2 < x < 1

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Question 675

jamb 2000

A trader realizes 10x - x\(^2\) naira profit from the sale of x bags on corn. How many bags will give him the desired profit?

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Question 676

jamb 2000

if (x - 1), (x + 1) and (x - 2) are factors of the polynomial ax\(^3\) + bx\(^2\) + cx - 1, find a, b, c in that order.

A-1/2, 1., 1/2

B1/2, 1, 1/2

C1/2, 1, -1/2

D1/2, -1, 1/2

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Question 677

jamb 2000

Evaluate (\(\frac{1}{2} - \frac{1}{4} + \frac{1}{8} - \frac{1}{16} + ...) -1\)

A2/3

Bzero

C-2/3

D-1

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Question 678

jamb 2000

Find the inverse of p under the binary operation * defined by p*q = p + q - pq, where p and q are real numbers and zero is the identity

Bp -1

Cp/(p-1)

Dp/(p+1)

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Question 679

jamb 2000

The 3rd term of an A.P is 4x - 2y and the 9th term is 10x - 8y. Find the common difference.

A19x - 17y

B8x - 4y

Cx - y

D2x

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Question 680

jamb 2000

A binary operation * is defined by a * b = a\(^b\). If a * 2 = 2 - a, find the possible values of a.

A1, -1

B1, 2

C2, -2

D1, -2

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Question 681

jamb 2000

If \(P344_{6} - 23P2_{6} = 2PP2_{6}\), find the value of the digit P.

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Question 682

jamb 2000

Simplify \(\frac{3(2^{n+1}) - 4(2^{n-1})}{2^{n+1} - 2^n}\)

A2ⁿ⁺¹

B2^n-1

D1/4

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Question 683

jamb 2000

If 314\(_{10}\) - 256\(_7\) = 340\(_x\), find x.

D10

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Question 684

jamb 2000

A man wishes to keep his money in a savings deposit at 25% compound interest so that after three years he can buy a car for N150,000. How much does he need to deposit?

AN112,000.50

BN96,000.00

CN85,714.28

DN76,800.00

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Question 685

jamb 2000

Evaluate \(\frac{(2.813 \times 10^{-3} \times 1.063)}{(5.637 \times 10^{-2})}\) reducing each number to two significant figures and leaving your answer in two significant figures.

A0.056

B0.055

C0.054

D0.54

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Question 686

jamb 2000

In a youth club with 94 members, 60 like modern music, and 50 like traditional music. The number of members who like both traditional and modern music is three times those who do not like any type of music. How many members like only one type of music?

B24

C62

D86

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Question 687

jamb 2000

If \(\frac{(2\sqrt{3}-\sqrt{2})}{(\sqrt{3}+2\sqrt{2})} = m +n\sqrt{6}\), find the values of m and n respectively.

A1, -2

B-2, 1

C\(\frac{-2}{5}\), 1

D2, 3/5

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Question 688

jamb 2000

If the population of a town was 240,000 in January 1998 and it increased by 2% each year, what would be the population of the town in January, 2000?

A480,000

B249,696

C249,600

D244,800

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Question 689

jamb 2000

Let P = {1, 2, u, v, w, x}; Q = {2, 3, u, v, w, 5, 6, y} and R = {2, 3, 4, v, x, y}.

Determine (P-Q) ∩ R

A{1, x}

B{x y}

C{x}

Dɸ

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Question 690

jamb 1999

A number is selected at random from 0 to 20. What is the probability that the number is odd prime?

A\(\frac{8}{21}\)

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

C\(\frac{2}{7}\)

D\(\frac{5}{21}\)

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