# Waecmaths

Title | waecmaths question |
---|---|

Question 1 |
Multiply $2.7\times {{10}^{-4}}$ by $6.3\times {{10}^{6}}$ and leave your answer in standard form |

Question 2 |
If ${{9}^{(2-x)}}=3$, find |

Ouestion 3 |
In what number base is the addition of 465 + 24 + 225 =1050 |

Question 4 |
Simplify $\frac{1\tfrac{7}{8}\times 2\tfrac{2}{5}}{6\tfrac{3}{4}\div \tfrac{3}{4}}$ |

Question 5 |
If ${{U}_{n}}=n({{n}^{2}}+1)$ evaluate |

Question 6 |
If $\sqrt{50}-k\sqrt{8}=\frac{2}{\sqrt{2}}$ find |

Question 7 |
A sales boy gave a change of N68 instead of N72. Calculate his percentage error. |

Question 8 |
Four oranges sell for N |

Question 9 |
Simplify $\frac{{{x}^{2}}-{{y}^{2}}}{{{(x+y)}^{2}}}\div \frac{{{(x-y)}^{2}}}{(3x+3y)}$ |

Question 10 |
Solve the inequality $\frac{2x-5}{2}<(2-x)$ |

Question 11 |
If |

Question 12 |
Which of the following lines represents the solution of the inequality $7x<9x-4$? |

Question 13 |
If $\tfrac{1}{2}x+2y=3\text{ and }\tfrac{3}{2}x-2y=1$ find ( |

Question 14 |
Given that ${{p}^{\tfrac{1}{3}}}=\frac{\sqrt[3]{q}}{r}$, make |

Question 15 |
In the diagram |

Question 16 |
In the diagram, the height of the flagpole $\left| TF \right|$ and the length of its shadows $\left| FL \right|$are in the ratio 6:8. Using |

Question 17 |
A chord is 2cm from the centre of a circle. If the radius of the circle is 5cm, find the length of the chord. |

Question 18 |
A cube and a cuboid have the same area. The volume of the cube is 64cm |

Question 19 |
In the diagram $\overline{VX}$is a tangent to the tangent to the circle |

Question 23 |
In the diagram, O is the centre of the circle, $OM\parallel XZ$and $\angle ZOM={{25}^{\circ }}$. Calculate $\angle XYZ$ |

Question 24 |
If $\sin x=\tfrac{5}{13}$ and ${{0}^{\circ }}\le x\le {{90}^{\circ }}$ find the value of $(\cos x-\tan x)$ |

Question 25 |
An object is 6m away from a mast. The angle of depression of the object from the top of the mast is 50 |

Question 26 |
The bear of |

Question 27 |
Which of the following is |

Question 30 |
If $2{{\log }_{x}}(3\tfrac{3}{8})=6$ find the value of |

Question 31 |
If $P=\{y:2y\ge 6\}$and $Q=\{y:y-3\le 3\}$ when |

Question 32 |
Find the values of |

Question 33 |
If |

Question 34 |
The graph of the relation $y={{x}^{2}}+2x-k$ passes through the points (2,0). Find the value of |

Question 35 |
The pie chart shows the distribution of 600 mathematics textbooks for Arts, Business, Science and Technical classes. How many textbooks are for the Technical classes? |

Question 36 |
The pie chart shows the distribution of 600 mathematics textbooks for Arts, Business, Science and Technical classes.What percentage of the total number of textbooks belongs to science? |

Question 37 |
In the diagram, |

Question 38 |
What is the locus of the point |

Question 39 |
In the diagram, |

Question 40 |
When a number is subtracted from 2, the result equals 4 less than one – fifth of the number. Find the number |

Question 41 |
Express $\frac{2}{x+3}-\frac{1}{x-2}$ as a simple fraction |

Question 42 |
An interior angle of a regular polygon is 5 times each exterior angle. How many sides has the polygon |

Question 43 |
In the diagram $\overline{ST}\parallel \overline{PQ}$, reflex angle |

Question 44 |
Using the Venn diagram, find$n(X\cap Y')$ |

Question 45 |
Given that $P={{x}^{2}}+4x+2,\text{ }Q=2x-1\text{ and }Q-P=2$ find |