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Elementary Mathematics

Elementary Mathematics Topics

School level (Class 6–12) — Elementary Mathematics

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quiz Questions

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Q191

Statistics Intro — A bag has 2 red and 4 blue balls. One ball is drawn at random. Probability of red?

1 · 2 marks · MCQ

A.

1/2

B.

1/6

C.

4/6

D.

2/6

Explanation

P(red) = favourable/total = 2/6.

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Q192

Statistics Intro (Set 42) — A bag has 2 red and 3 blue balls. One ball is drawn at random. Probability of red?

2 · 2 marks · MCQ

A.

2/5

B.

3/5

C.

1/5

D.

1/2

Explanation

P(red) = favourable/total = 2/5.

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Q193

Statistics Intro (Set 43) — A bag has 5 red and 2 blue balls. One ball is drawn at random. Probability of red?

3 · 2 marks · MCQ

A.

1/7

B.

2/7

C.

5/7

D.

1/2

Explanation

P(red) = favourable/total = 5/7.

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Q194

Statistics Intro (Set 44) — A bag has 6 red and 3 blue balls. One ball is drawn at random. Probability of red?

4 · 2 marks · MCQ

A.

6/9

B.

3/9

C.

1/2

D.

1/9

Explanation

P(red) = favourable/total = 6/9.

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Q195

Statistics Intro — A bag has 5 red and 3 blue balls. One ball is drawn at random. Probability of red?

5 · 2 marks · MCQ

A.

5/8

B.

3/8

C.

1/8

D.

1/2

Explanation

P(red) = favourable/total = 5/8.

help

Q196

A bag has 2 red and 5 blue balls. One ball is drawn at random. Probability of red?

1 · 2 marks · MCQ

A.

1/7

B.

5/7

C.

1/2

D.

2/7

Explanation

P(red) = favourable/total = 2/7.

help

Q197

Statistics Intro (Set 47) — A bag has 2 red and 6 blue balls. One ball is drawn at random. Probability of red?

2 · 2 marks · MCQ

A.

6/8

B.

2/8

C.

1/8

D.

1/2

Explanation

P(red) = favourable/total = 2/8.

help

Q198

Statistics Intro (Set 48) — A bag has 5 red and 3 blue balls. One ball is drawn at random. Probability of red?

3 · 2 marks · MCQ

A.

5/8

B.

3/8

C.

1/2

D.

1/8

Explanation

P(red) = favourable/total = 5/8.

help

Q199

Statistics Intro (Set 49) — A bag has 5 red and 2 blue balls. One ball is drawn at random. Probability of red?

4 · 2 marks · MCQ

A.

2/7

B.

1/2

C.

1/7

D.

5/7

Explanation

P(red) = favourable/total = 5/7.

help

Q200

Statistics Intro (Set 50) — A bag has 6 red and 3 blue balls. One ball is drawn at random. Probability of red?

5 · 2 marks · MCQ

A.

1/2

B.

1/9

C.

3/9

D.

6/9

Explanation

P(red) = favourable/total = 6/9.