ABC26GN2937 · Ratio and Proportion

Subject: General Aptitude · Chapter: Ratio and Proportion · Exam: 2010 · Marks: · Difficulty:

What must be added to each term of the ratio 7 : 11 so as to make it equal to 3 : 4?

Answer

Answer (as printed):

Explanation

Let the number to be added be x. 7+x 3 Then, = ⇒ 4 (7 + x) = 3 (11 + x) ⇒ 28 + 4x = 33 + 3x ⇒ x = 5. 11 + x 4 Hence, required number = 5.

Explanation as extracted from the printed page; notation may be imperfect.