Two marks exercise problems I — task. Mathematics State Board, Class 9.

UPSKILL MATH PLUS

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1. Which of the following are sets?

(i) The Collection of prime numbers upto \(100\).

(ii) The Collection of rich people in India.

(iii) The Collection of all rivers in India.

(iv) The Collection of good Hockey players.

2. List the set of letters of the following words in Roster form.

(i) INDIA \(=\)

\{i, i, i, i\}

(ii) PARALLELOGRAM \(=\)

\{i, i, i, i, i, i, i, i\}

(iii) MISSISSIPPI \(=\)

\{i, i, i, i\}

(iv) CZECHOSLOVAKIA \(=\)

\{i, i, i, i, i, i, i, i, i, i, i\}

Did you find an error?

3. Two marks exercise problems I