Short Quiz

Question 1 of 5

Continue the sequence \(1,3,5,7,9,11,\ldots\).

A 13 B 12 C 14 D 15

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Question 2 of 5

The first four centred hexagonal numbers are \(1,7,19,37\). What is their sum?

A 54 B 61 C 64 D 74

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Question 3 of 5

In a Virahanka-type sequence, each term is the sum of the previous two: \(\_,8,13,21\). What is the missing term?

A 3 B 5 C 7 D 34

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Question 4 of 5

A stacked-square figure has 5 rows and 5 columns of equal small squares. How many small squares does it contain?

A 20 B 25 C 24 D 30

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Question 5 of 5

What is the 8th triangular number?

A 28 B 32 C 64 D 36

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Class 6