SSC CHSL 24 Mar 2018 Shift 2 Paper

Section: Quantitative Aptitude

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Question : 64 of 100

Marks: +1, -0

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

15 × 12 + 40 ÷ 40 − 6 = 21

+ and x
+ and ÷
- and +
÷ and x

Solution:

Expression :

15 × 12 + 40 ÷ 40 − 6 = 21

(A) : + and x

≡ 15 + 12 × 40 ÷ 40 − 6 = 21

L.H.S. =

15 + (12 × 40 /40 ) −6

=

15+12-6=21=

R.H.S.

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