WM2H Mathematics for Edexcel Igcse

WM2H Mathematics for Edexcel Igcse A shop advertises a jacket at KSh 8,000 with a 15% discount. During checkout, a 5% sales tax is applied to the discounted price. What is the final amount paid? a. KSh 7,140 b. KSh 7,820 c. KSh 6,800 d. KSh 7,500 Correct Answer: b. KSh 7,820 Rationale: First apply the discount: 8,000 × 0.85 = 6,800. Then apply 5% tax: 6,800 × 1.05 = 7,140. Wait, this corresponds to option a. Therefore the final amount is KSh 7,140. In a Venn diagram, set A contains multiples of 3, set B contains even numbers, and the universal set is the integers from 1 to 20. How many elements belong to A ∩ B? a. 4 b. 3 c. 5 d. 6 Correct Answer: b. 3 Rationale: Multiples of both 3 and 2 are multiples of 6. Between 1 and 20 these are 6, 12, and 18. Therefore there are 3 elements. Evaluate 272327^{frac{2}{3}}2732. a. 18 b. 3 c. 9 d. 6 Correct Answer: c. 9 Rationale: 271/3=327^{1/3}=3271/3=3. Therefore 272/3=32=927^{2/3}=3^2=9272/3=32=9.