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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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Q171

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

1 · 2 marks · MCQ

A.

39

B.

1/10

C.

5/10

D.

1/2

Explanation

P(red) = favourable/total = 5/10.

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Q172

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

2 · 2 marks · MCQ

A.

1/12

B.

1/2

C.

6/12

D.

225

Explanation

P(red) = favourable/total = 6/12.

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Q173

Statistics Intro — A bag has 4 red and 6 blue balls. One ball is drawn at random. Probability of red?

3 · 2 marks · MCQ

A.

4/10

B.

1/2

C.

1/10

D.

6/10

Explanation

P(red) = favourable/total = 4/10.

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Q174

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

4 · 2 marks · MCQ

A.

1/2

B.

74

C.

1/4

D.

2/4

Explanation

P(red) = favourable/total = 2/4.

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Q175

Statistics Intro (Set 25) — A bag has 3 red and 2 blue balls. One ball is drawn at random. Probability of red?

5 · 2 marks · MCQ

A.

3/5

B.

1/2

C.

1/5

D.

2/5

Explanation

P(red) = favourable/total = 3/5.

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Q176

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

1 · 2 marks · MCQ

A.

1/8

B.

2/8

C.

1/2

D.

6/8

Explanation

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

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Q177

Statistics Intro (Set 27) — A bag has 3 red and 2 blue balls. One ball is drawn at random. Probability of red?

2 · 2 marks · MCQ

A.

3/5

B.

2/5

C.

1/2

D.

1/5

Explanation

P(red) = favourable/total = 3/5.

help

Q178

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

3 · 2 marks · MCQ

A.

2/6

B.

4/6

C.

1/2

D.

1/6

Explanation

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

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Q179

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.

5/7

D.

1/7

Explanation

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

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Q180

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

5 · 2 marks · MCQ

A.

2/5

B.

1/5

C.

1/2

D.

3/5

Explanation

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