A) He added one extra prime number between 10 and 20.
B) He missed one prime number between 10 and 20.
C) He missed one prime number between 20 and 30.
D) None of these
Correct Answer: D
Solution :
Prime numbers between 10 and 40 are 11, 13, 17, 19, 23, 29, 31, 37. Their sum is 180.You need to login to perform this action.
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