Question

a bag contains 4 white balls and 6 yellow balls find a probility of getting yellow ball​

Answer 1

Answer:

The opposite process, a liquid becoming a solid, is called solidification. For any pure substance, the temperature at which melting occurs—known as the melting point—is a characteristic of that substance. It requires energy for a solid to melt into a liquid.

The three tenets to the cell theory are as described below:

All living organisms are composed of one or more cells.

The cell is the basic unit of structure and organization in organisms.

Cells arise from pre-existing cells.

The theory was once universally accepted, but now some biologists consider non-cellular entities such as viruses living organisms,[1] and thus disagree with the first tenet. As of 2021: "expert opinion remains divided roughly a third each between yes, no and don’t know".[2] As there is no universally accepted definition of life, discussion will continue.

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Answer 2

Answer:

We can choose 2 white balls in ⁴C ₂ ways

2 Yellow balls can be chosen in ⁶C ₂ ways

2 red balls can be chosen in ⁵C ₂ ways

So total number of ways to choose 6 balls are

⁴C ₂ ×⁶C ₂ ×⁵C ₂ = = 4 ×3 ×6 ×5 × 5 ×4 / 2 ×2 ×2

= 3×3×5×5×4 = 45×20 = 900 ways

Step-by-step explanation:

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