Mathematics Past Questions and Answers

A factory worker earns #50,000 per month out of which he spends 15% on his children's education, #13,600 on Food, 3% on electricity and uses the rest for his personal purpose. How much does he have left?

A binary operation Δ is defined by a Δ b = a + 3b + 2.<br/>Find (3 Δ 2) Δ 5

If M varies directly as N and inversely as the root of P. Given that M = 3, N = 5 and P = 25. Find the value of P when M = 2 and N = 6.

This table below gives the scores of a group of students in a Further Mathematics Test.<br/><br/><table class='tbn'><tbody><tr><td> Score </td><td> 1 </td><td> 2 </td><td> 3 </td><td> 4 </td><td> 5 </td><td> 6 </td><td> 7 </td></tr><tr><td> Frequency </td><td> 4 </td><td> 6 </td><td> 8 </td><td> 4 </td><td> 10 </td><td> 6 </td><td> 2 </td></tr></tbody></table><br/><br/>Find the mode of the distribution.

This table below gives the scores of a group of students in a Further Mathematics Test.<br/><br/><table class='tbn'><tbody><tr><td> Score </td><td> 1 </td><td> 2 </td><td> 3 </td><td> 4 </td><td> 5 </td><td> 6 </td><td> 7 </td></tr><tr><td> Frequency </td><td> 4 </td><td> 6 </td><td> 8 </td><td> 4 </td><td> 10 </td><td> 6 </td><td> 2 </td></tr></tbody></table><br/><br/>Calculate the mean deviation for the distribution