How to practice topic:numerical-computation-and-estimation

Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.

Questions 1–2 of 2. Imported answers require independent review unless marked reviewed.

Topic practice 2 questionsPage 1 of 1

Question 4

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GAMCQ1 markNeeds review
How many 3-digit numbers can be formed using three distinct single digit prime numbers?
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Question 5

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GAMCQ1 markNeeds review
In a group of students, 10 students like Mathematics, 12 students like English, 4 students like both Mathematics and English, and 6 students like neither Mathematics nor English. The number of students in the group is ____
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