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Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:
  • a)
    9
  • b)
    11
  • c)
    13
  • d)
    15
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Three times the first of three consecutive odd integers is 3 more than...
Consider the three numbers to be x, (x+2) and (x+4)
According to the question,
3.x = 2(x+4) + 3
3x = 2x + 8 +3
3x - 2x = 11
x = 11
The next two integers are 11 + 2 = 13 and 11 + 4 = 15.
Therefore, the third integer is 15.
This question is part of UPSC exam. View all Class 7 courses
Most Upvoted Answer
Three times the first of three consecutive odd integers is 3 more than...
Let the three integers be x, x + 2 and x + 4.

Then, 3x = 2(x + 4) + 3 ⇔ x = 11.

∴ Third integer = x + 4 = 15.
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Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:a)9b)11c)13d)15Correct answer is option 'D'. Can you explain this answer?
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