The mean of 5 numbers is 12. If one number is removed, the mean becomes 10. What is the removed number?
These are unique to the HKAT. For example: "There are 20 questions. You get 5 points for each correct answer and lose 2 points for each wrong answer. You score 79. How many were wrong?" This requires setting up simultaneous equations mentally – a Secondary 1 skill tested in Primary 6. pre s1 maths mock paper pdf
Do not wait until June. Download a mock paper tonight. Set the timer for 50 minutes tomorrow morning. Review the answers together. Even one hour of focused mock paper practice per week between now and July can lift your child from "Mixed Ability" to "Elite Class." The mean of 5 numbers is 12
Mock papers focus on the Primary 6 curriculum to ensure readiness for secondary school: Pre-S1 Mathematics Mock Paper 5 | PDF - Scribd These are unique to the HKAT
1. B. The total cost is $50. A 20% discount means pay 80%. $50 x 0.8 = $40. Then 5% tax: $40 x 1.05 = $42.