SSC CGL Model Paper 2

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Question : 61 of 100

Marks: +1, -0

If

[4 ({2 x} /5 -3 /2 )]/3 + 7 /5 =37/5

, then what is the value of x ?

- 15
$7/5$
15
$-7 /5$

Solution:

[4 ({2 x} /5 -3 /2 )]/3 + 7 /5 =37/5

⇒

[4({2x}/5-3/2)]/3+ 7 /5 =37/5

⇒

{4 (4 x -1 5 ) }/{3×10}+ 7 /5 =37/5

⇒

(16 x - 60)/30+ 7 /5 =37/5

⇒

{1 6 x -6 0 + 42}/30=37/5

⇒

16x - 60 + 42 = 222

⇒

1 6 x= 2 4 0

∴

x=240/16=15

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