If 4, 8, x and 12 are in proportion, find the mean proportional between (x + 3) and (x + 30).

Subject: Mathematics | Topic: Arithmetic | Difficulty: MEDIUM

Options

  1. (A) 14
  2. (B) 18
  3. (C) 16
  4. (D) 15

Verified Answer

Option (B): 18


Practice complete mock tests for SSC, Banking & Railway exams at https://testx.in/questions/01a0bfd3-20c5-762e-9399-00e2bb2e7cb2/if-4-8-x-and-12