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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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number of which

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "number of which" is grammatically correct and usable in written English.
It is used in the context of providing a number related to a specific topic, situation, item, or concept. For example, "The company has over 200 employees, a number of which are based in the UK."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

You get money for completing missions, a number of which are, yes, monstrously violent.

News & Media

The Guardian

His bookshelves are crammed with medical textbooks, a number of which he has written or edited.

News & Media

The Guardian

The air force has about 220 aircraft and helicopters, a number of which are unserviceable.

News & Media

The New York Times

There are many first editions, a number of which Conrad gave to his peers.

The allegory, regrettably, is more sure-footed than the performances, a number of which seem palpably nervous.

Discusses personnel changes made by Mayor Koch, the number of which has been striking considering his relatively short time.

News & Media

The New Yorker

And then there are the bars, a number of which have come highly recommended on Twitter and below the line.

For one thing, there are always steakhouses, the number of which has exploded in the past few years.

Centre stage are the 20 main show gardens, an unprecedented number of which have an environmental theme.

The Fur lived in homesteads, a number of which constituted a village.

Crashes, a good number of which are also attributable to this neglect, cost a further $230 billion.

News & Media

The Economist
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Expert writing Tips

Best practice

Use "number of which" when you want to specify a quantity from a larger group. Ensure clarity by placing it close to the noun it modifies to avoid ambiguity.

Common error

Avoid using "number of which" with uncountable nouns; use "amount of which" instead. For example, use "amount of water, some of which" rather than "number of water, some of which."

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "number of which" functions as a quantifier within a relative clause. It specifies an amount or quantity from a previously mentioned set or group. Ludwig AI confirms its grammatical correctness and widespread use.

Expression frequency: Very common

Frequent in

News & Media

48%

Encyclopedias

22%

Science

18%

Less common in

Wiki

8%

Formal & Business

2%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "number of which" is a grammatically correct and versatile tool for specifying quantities within larger sets. As indicated by Ludwig AI, its proper usage involves ensuring agreement with countable nouns. Predominantly found in news, encyclopedias, and scientific contexts, it offers a formal and precise way to convey numerical information. Common alternatives include "quantity of which", "amount of which", and "proportion of which", each with subtle differences in connotation. By following best practices and avoiding common errors, writers can effectively utilize "number of which" to enhance the clarity and accuracy of their writing.

FAQs

How do I use "number of which" in a sentence?

Use "number of which" to specify a quantity from a larger group. For example, "The company has several offices, a "number of which" are located overseas."

What can I say instead of "number of which"?

You can use alternatives like "quantity of which", "amount of which", or "proportion of which" depending on the context.

Is it correct to say "amount of which" instead of "number of which"?

It depends on the noun you are referring to. Use "number of which" for countable nouns and "amount of which" for uncountable nouns.

What's the difference between "some of which" and "number of which"?

"Some of which" indicates an unspecified quantity, while ""number of which"" specifies a more precise quantity.

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Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: