47 lines
812 B
Markdown
47 lines
812 B
Markdown
---
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id: 5900f4231000cf542c50ff34
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title: >-
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Problem 181: Investigating in how many ways objects of two different colours can be grouped
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challengeType: 5
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forumTopicId: 301817
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dashedName: >-
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problem-181-investigating-in-how-many-ways-objects-of-two-different-colours-can-be-grouped
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---
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# --description--
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Having three black objects B and one white object W they can be grouped in 7 ways like this:
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(BBBW)(B,BBW)(B,B,BW)(B,B,B,W)
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(B,BB,W)(BBB,W)(BB,BW)
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In how many ways can sixty black objects B and forty white objects W be thus grouped?
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# --hints--
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`euler181()` should return 83735848679360670.
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```js
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assert.strictEqual(euler181(), 83735848679360670);
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```
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# --seed--
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## --seed-contents--
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```js
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function euler181() {
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return true;
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}
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euler181();
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```
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# --solutions--
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```js
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// solution required
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```
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