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PIMSO 2025 - Science - Primary 1 - National Round Question 20

PIMSO Science · PIMSO 2025 - Science - Primary 1 - National Round

Question 20

Rizal is working in the zoo. One of his job is to weigh the sea lion. The table shows the weight of sea lion at different ages. What is the approximate mass of the sea lion at 7 weeks?

Question illustration

Table: 1 week — 2 kg; 5 weeks — 5 kg; 15 weeks — 10 kg; 42 weeks — 35 kg.

Editorial note: Estimate assuming continued growth between the recorded ages.
  1. less than 5 kilograms
  2. between 10 and 15 kilograms
  3. between 1 and 5 kilograms.
  4. more than 5 kilograms but less than 10 kilograms