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Q.

Which of the following are the prime numbers between 40 and 80?


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a

41, 43, 47, 53, 59, 61, 67, 71, 73, and 79

b

41, 45, 47, 53, 59, 61, 67, 71, 73, and 79

c

41, 43, 49, 53, 59, 61, 67, 71, 73, and 79

d

41, 43, 47, 53, 57, 61, 67, 71, 73, and 79 

answer is A.

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Detailed Solution

Here, we have to find the prime numbers between 40 and 80.
Prime numbers are the numbers that are exactly divisible by one and itself.
There are 10 prime numbers between 40 and 80 and that are 41, 43, 47, 53, 59, 61, 67, 71, 73, and 79.
So, option (1) is correct.
 
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