Picture-based MCQ Quiz

Question 1 of 5

The figure is a complete graph on 6 points: every pair is joined. How many line segments are present?

A 15 B 12 C 18 D 30

Select one option. Answers are shown after the test.

Question 2 of 5

In the complete graph \(K_8\), every point is joined to every other point. How many line segments are there?

A 24 B 32 C 28 D 56

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Question 3 of 5

A stacked-square pattern grows from a \(9\times9\) stage to a \(10\times10\) stage. How many new small squares are added?

A 18 B 19 C 20 D 21

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Question 4 of 5

One highlighted point and all segments touching it are removed from \(K_9\). How many segments are removed, and how many remain?

A 9 removed; 27 remain B 8 removed; 36 remain C 7 removed; 29 remain D 8 removed; 28 remain

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Question 5 of 5

The figure shows regular polygons gaining one side at each step. Which shape belongs in the final position?

A Triangle B Hexagon C Pentagon D Heptagon

Select one option. Answers are shown after the test.

Class 6