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horrorfan [7]
3 years ago
10

In a hall,45%of the pupils were boys.there were 990 boys.how many pupils were there on the hall?

Mathematics
1 answer:
morpeh [17]3 years ago
7 0
Your answer is 2,200 pupils.

If 990 is equal to 45% of the total amount of pupils, then to find 1% we can divide both 45 and 990 by 45.

990 ÷ 45 = 22, which is 1%, so then we multiply 22 by 100 to get 100% of the pupils, which gives us 2,200.

I hope this helps!
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3 years ago
Write the decimal using unit 90 rupees 75 paise​
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Given the set of data: 24, 43, 65, 12, 31, 78, 43, 24, 25, 18, 29, 53, 18, 23, 20, 43, 53, 25 Determine the quartiles.
worty [1.4K]

Answer:

Lower quartile= 4.75

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Step-by-step explanation:

The given date set is 24, 43, 65, 12, 31, 78, 43, 24, 25, 18, 29, 53, 18, 23, 20, 43, 53, 25

On counting them we notice that it's number of element is 18

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