N(A)-Level Mathematics Number and Algebra quiz (SEAB 4045) quiz

16questions. Pick an answer and you'll see why right away.

Evaluate $3 + 4 \times 2^2$ using the correct order of operations.
Evaluate $-5 + (-3) \times (-4)$ .
Evaluate $\dfrac{3}{5} \div \dfrac{9}{10}$ , giving the answer in its simplest form.
Round $0.04953$ to $2$ significant figures.
Simplify the ratio $18 : 24$ to its lowest terms.
Divide $\$ 350 $in the ratio$ 2 : 5$. What is the larger share?
A car travels $150$ km in $2.5$ hours. Find its average speed in km/h.
If $4$ identical books cost $\$ 26 $, how much do$ 6$ such books cost?
Find $15\%$ of $\$ 240$.
A shirt costing $\$ 50 $is sold at a$ 20%$ discount. What is the selling price?
Express $18$ as a percentage of $40$ .
Find the simple interest on $\$ 1500 $at$ 4% $per annum for$ 3$ years.
Expand and simplify $2(3x - 4) - (x - 5)$ .
Expand $(x + 3)(x - 5)$ using FOIL.
Factorise completely $8x^2 - 12x$ .
Simplify $5a - 3b + 2a - b$ by collecting like terms.