Mathematics Topics
School level (Class 6–12) — Mathematics
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Relations & Functions
Calculus
Vectors
Linear Programming
Probability
quiz Questions
Q211
A bag has 4 red and 2 blue balls. One ball is drawn at random. Probability of red?
2/6
1/2
4/6
1/6
Explanation
P(red) = favourable/total = 4/6.
Q212
A bag has 5 red and 3 blue balls. One ball is drawn at random. Probability of red?
3/8
1/8
1/2
5/8
Explanation
P(red) = favourable/total = 5/8.
Q213
A bag has 4 red and 6 blue balls. One ball is drawn at random. Probability of red?
1/2
1/10
6/10
4/10
Explanation
P(red) = favourable/total = 4/10.
Q214
Probability — A bag has 4 red and 2 blue balls. One ball is drawn at random. Probability of red?
2/6
1/2
1/6
4/6
Explanation
P(red) = favourable/total = 4/6.
Q215
Probability (Set 15) — A bag has 2 red and 5 blue balls. One ball is drawn at random. Probability of red?
1/2
5/7
1/7
2/7
Explanation
P(red) = favourable/total = 2/7.
Q216
Probability — A bag has 5 red and 3 blue balls. One ball is drawn at random. Probability of red?
5/8
3/8
1/8
1/2
Explanation
P(red) = favourable/total = 5/8.
Q217
Probability — A bag has 3 red and 5 blue balls. One ball is drawn at random. Probability of red?
1/2
1/8
3/8
5/8
Explanation
P(red) = favourable/total = 3/8.
Q218
A bag has 6 red and 6 blue balls. One ball is drawn at random. Probability of red?
6/12
1/12
503
1/2
Explanation
P(red) = favourable/total = 6/12.
Q219
A bag has 3 red and 6 blue balls. One ball is drawn at random. Probability of red?
6/9
1/9
1/2
3/9
Explanation
P(red) = favourable/total = 3/9.
Q220
Probability (Set 20) — A bag has 3 red and 5 blue balls. One ball is drawn at random. Probability of red?
5/8
1/2
1/8
3/8
Explanation
P(red) = favourable/total = 3/8.