Three times the first of three consecutive odd integers is 3 more than twice the third. What is the third integer?

A 9

B 44

C 13

D 15

Solution

Correct Answer: Option D

মনেকরি,
তিনটি ক্রমিক বিজোড় সংখ্যা যথাক্রমে -
x, x + 2, x + 4

প্রশ্নমতে,
3x = 2(x + 4) + 3
⇒ 3x = 2x + 8 + 3
⇒ 3x - 2x = 8 + 3
⇒ x = 11
∴ তৃতীয় সংখ্যাটি = 11 + 4 = 15

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