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Anup Kumar P.

Postgraduate student and a freelancer

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Pre-Algebra

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Question:

The lowest temperature on a winter morning was –8°F. Later that same day the temperature reached a high of 24°F. By how many degrees Fahrenheit did the temperature increase? A. 3° B. 8° C. 16° D. 24° E. 32°

Anup Kumar P.

Answer:

24-(-8)= 24+8 = 32 So ans is E

Basic Math

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Question:

A soccer team played 160 games and won 65 percent of them. How many games did it win? A. 94 B. 104 C. 114 D. 124

Anup Kumar P.

Answer:

160*(65/100)=104 Ans is B. 104

Set Theory

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Question:

In a group of 60 people, 27 like cold drinks and 42 like hot drinks and each person likes at least one of the two drinks. How many like both coffee and tea?

Anup Kumar P.

Answer:

Let A = Set of people who like cold drinks B = Set of people who like hot drinks Given, (A ∪B) = 60 n(A) = 27 n(B) = 42 then; n(A ∩ B) = n(A) + n(B) - n(A ∪ B) = 27 + 42 - 60 = 69 - 60 = 9 = 9 Therefore, 9 people like both tea and coffee.

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