SSC CHSL 7 Jan 2017 Shift 3 Paper

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Question : 65 of 100

Marks: +1, -0

If

3x -10 = - ( 2x+5)

, then the numerical value of

(x-4)^3

is

27
125
-125
-27

Solution:

Expression :

3x -10 = - ( 2x+5)

⇒

3x -10 = - 2x-5

⇒

3x +2x= 10-5 =5

⇒

x=5/5=1

To find :

(x-4)^3

(1-4)^3=(-3)^3=-27

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