A car dealer bought a second-hand car for ₦250,000 and spent ₦70,000 refurbishing it. He then sold the car for ₦400,000. What is the percentage gain?

If two graphs y = px2 + q and y = 2x2 − 1 intersect at x =2, find the value of p in terms of q

If U = {x : x is an integer and 1 ≤ x ≤ } E1 = {x: x is a multiple of 3} E2 = {x: x is a multiple of 4} and an integer is picked at random from U, find the p...

Given T = { even numbers from 1 to 12 } N = {common factors of 6, 8 and 12} Find T ∩ N

If y = x Sin x, find dydx d y d x when x = π2

Evaluate (sin sin 45o + sin sin 3o ) in surd form.

What is the next number in the series 2, 1, 12 1 2 , 14 1 4 ...

If temperature t is directly proportional to heat h, and when t = 20oC, h = 50 J, find t when h = 60J

The curved surface area of a cylinder 5cm high is 110cm2. Find the radius of its base π = 227