Mathematics Past Questions and Answers

Find the variance of 2x, 2x-1 and 2x+1

The table above shows the distribution of recharge cards of four major GSM operators. What is the probability that a recharge card selected at random will be GTN or Qtel?

The pie chart above shows the expenditure of a family whose income is N30,000. If the expenditure on food is twice that on housing and that on school fees is twice that on transport, how much does the family spend on food?

For what of n is ⁿ⁺¹C₃ = 4(ⁿC₃)?

The gradient of a curve is 2x + 7 and the curve passes through point (2, 0). find the equation of the curve.