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Question

The sum of four consecutive integers is 186. Which one of these four integers is prime?

A 58 Correct Answer Incorrect Answer
B 68 Correct Answer Incorrect Answer
C 47 Correct Answer Incorrect Answer
D 56 Correct Answer Incorrect Answer

Solution

Four consecutive integers X, X+1, X+2, X+3 Sum of the given number is 186 X+ X+1+ X+2+X+3=186 4 X+6=186 4 X =186-6 4 X =180, X =45 Hence these four consecutive integers are [if gte msEquation 12]>x [if !msEquation]-->[if gte vml 1]> [if !vml]-->[endif]--> [endif]-->=45, X +1=45+1=46 X +2=45+2=47 X +3=45+3 = 48 So, 45,46,47,48 here we have found prime integers 47. Option 3

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