Each green sphere represents a chloride ion and each yellow sphere represents a sodium ion.Ī ship leaves position X and travels north-west for 1000 km to position Y, as shown. This diagram shows a cubic section of a sodium chloride crystal. What is the difference, in whole dollars per second, between pricing schemes 1 and 2? (A) 12 (B) 105 (C) 215 (D) 497 8. Which expression gives the total area of the three coloured rectangles in the picture? (A) (B) (C) (D) 6.
There are two pricing schemes and these depend on the flow rate of water (in litres per second). This picture is based on the style of the Dutch artist Piet Mondrian (18721944).6 2 6 4 2Ī farmer purchases water released from a dam. ICAS Mathematics Practice Questions Paper I EAA How many products are Station Rd w sold if there is zero profit? w Station Rd (A) 0 (B) 40 (C) 100 (D) 4000 (B) x w w y (A) = (C) y x = w (B) = x (D) z y = x (C) = y (D) z = ySmith RdĪ company uses this formula to predict total profit P based on the number of Smith Rd West St products n sold. NOT TO SCALE Which of (A) w = y these statements must be true? Number of people (P) (A) Number of people (P) Air temperature (T ) Air temperature (T ) Which formula could describe the relationship between the air temperature and the number of people? (A) This scatter diagram shows the relationship between the air temperature T and the number of people P visiting a beachside shopping centre. Z y Sm West St ith z Sm Rd xith w RdStation Rd x w Station Rd4. The angles between some of the streets are shown.ħ.101 (3.019 0.798)What is the value of this expression correct to three significant figures? (A) (B) (C) (D) 3.19 3.197 3.20 3.200 Terry is in Station Rd and is going to a party in West St, which runs parallel to Station Rd. FREE-RESPONSE QUESTIONS: Write your answer in the boxes provided on the ANSWER SHEET and fill in the oval that matches your answer. On your ANSWER SHEET fill in the oval that matches your answer. MULTIPLE-CHOICE QUESTIONS: Use the information provided to choose the BEST answer from the four possible options.
Marks are NOT deducted for incorrect answers. Your score will be the number of correct answers.
You MUST record your answers on the ANSWER SHEET. Read the instructions on the ANSWER SHEET and fill in your NAME, SCHOOL and OTHER INFORMATION. Inter national competitionsand assessments for schoolsĭO NOT OPEN THIS BOOKLET UNTIL INSTRUCTED.