Jamb Mathematics 2000 Past Questions and Answers

Question 6:

• 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?

A. N112,000.50
B. N96,000.00
C. N85,714.28
D. N76,800.00

Question 7:

• JAMB 2000

If 314₁₀ - 256₇ = 340_x, find x.

A. 7
B. 8
C. 9
D. 10

Question 8:

• JAMB 2000

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

A. 2ⁿ⁺¹
B. 2^n-1
C. 4
D. 1/4

Question 9:

• JAMB 2000

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

A. 2
B. 3
C. 4
D. 5

Question 10:

• JAMB 2000

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

A. 1, -1
B. 1, 2
C. 2, -2
D. 1, -2