TO Part 1 Grade 9 TP 2024-2025

In a mathematics Olympiad, a correct answer is awarded 5 marks, and a wrong answer is awarded -2 marks. If no answer is given, -1 mark will be awarded. Robin took part in this Olympiad. There were 40 questions. He answered a total of 35 questions and scored 114 marks. How many questions did he answer correctly?

• 21

• 23

• 25

• 27

• -11/5

• -11/10

• 1/10

• 7/10

John's score is three quarters that of Mary's score. If Mary's score is 76 then John's score is …

• 76

• 67

• 57

• 46

The simplest form of expression 6(3a+2b-4c)-2(b-5c)+4(c+2b) is …

• 18a-18b-18c

• 18a+18b-10c

• 18a-22b+18c

• 18a+22b-10c

• 16/39

• -16/13

• 13/3

• -3/18

A man is four times as old as his daughter. If the difference in their ages is 24 years. Their ages are …

• 4 and 28

• 8 and 32

• 9 and 36

• 12 and 36

A sum of money is divided among Lucas, John, and Bian in the ratio 9 : 8 : 7. After Lucas gives $25 each to John and Bian, the ratio becomes 16 : 17 : 15. The amount of money Lucas had at the beginning is …

• $400

• $450

• $500

• $550

An orphanage has enough rice supplies for 35 children for 24 days. The rice runs out if the residents of the orphanage add 5 children more in … days.

• 21

• 29

• 40

• 45

A square has an area 64 cm². The length of each side is …

• 4

• 6

• 8

• 12