NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 1 2016

RRB NTPC · Question 77

Find the dividend if the divisor is (x + 2), quotient is (4x - 5) and the remainder is 12.

  1. 4x^2 + 5x + 2

  2. 4x^2 + 3x + 2

  3. 4x^2 – 3x + 2

  4. 4x^2 + 3x – 2

Show answer & explanation

Answer: (B) 4x^2 + 3x + 2

Explanation

Dividend = divisor × quotient + remainder = (x + 2)(4x − 5) + 12 = 4x² − 5x + 8x − 10 + 12 = 4x² + 3x + 2.