Mathematics Past Questions

JAMB 2023

Evaluate (0.14 x 0.275)/(7 x 5.5) correct to 3 significant figures

JAMB 2023

If y varies inversely as the square root of x and y = 4 when x = 9, find y when x = 16

JAMB 2023

Simplify (1/√3 – 1/√2)²

JAMB 2023

The nth term of a sequence is given by (-1)ⁿ⁺¹2ⁿ. Find the sum of the first four terms

JAMB 2023

If the sum of the roots of the equation 2x² + 5x + k = 0 is -2.5, find the product of the roots

JAMB 2023

Find the value of x for which (x² – 1)/(x + 1) = 0

JAMB 2023

Solve the pair of equations: 2x – 3y = -10, 10x – 6y = -5

JAMB 2023

A binary operation × is defined by a × b = ab + a + b for any real numbers a and b. If the identity

JAMB 2023

If log₁₀ 2 = 0.3010 and log₁₀ 3 = 0.4771, evaluate log₁₀ 4.5

JAMB 2023

Make r the subject of the formula S = (n/2)[2a + (n – 1)d]

JAMB 2023

Simplify (1 + 2√3)/(2 – √3)

JAMB 2023

If x varies directly as y and inversely as z, and x = 3 when y = 2 and z = 4, find x when y = 3 and