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IUT_17-18
HSC - উচ্চতর গণিত ২য় পত্র
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অধ্যায়-১০ঃ বিস্তার পরিমাপ ও সম্ভাবনা
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All Topics
There are
10
blue and
15
red marbles in a box. A boy picks up two marbles at the random one by one. The
\text { There are } 10 \text { blue and } 15 \text { red marbles in a box. A boy picks up two marbles at the random one by one. The }
There are
10
blue and
15
red marbles in a box. A boy picks up two marbles at the random one by one. The
probability of both being of the same color is-
\text { probability of both being of the same color is- }
probability of both being of the same color is-
A.
1
2
\frac{1}{2}
2
1
B.
4
5
\frac{4}{5}
5
4
C.
3
20
\frac{3}{20}
20
3
D.
7
20
\frac{7}{20}
20
7
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