SSC CHSL 2020 PYQ — Question 58

SSC CHSL - 14th October 2020 - Shift 1 • Quantitative Aptitude • Q58

If 2x3 + ax2 + bx – 2 leaves the remainders 7 and 0 when divided by (2x – 3) and (x + 2), respectively, then the value of a and b respectively:

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e 3; -3

Understanding

Tricks 

Application

The best method is to try with the option

let us try 4th option

a = 3 and b = -3

So

2x3 + 3x2 - 3x – 2

Now

For verification