SSC CHSL 4 Mar 2018 Shift 1 Paper

Section: Quantitative Aptitude

Question : 64 of 100

Marks: +1, -0

The following equation is incorrect. Which two signs should be interchanged to correct the equation?
12 + 10 - 28 ÷ 7 x 4 = 48

Solution:

Expression : 12 + 10 - 28 ÷ 7 x 4 = 48
(A) : - and x
≡ 12 + 10 × 28 ÷ 7 − 4 = 48
L.H.S. = 12 + (10 ×

28/7

) − 4
= 12 + 40 - 4 = 48 = R.H.S.

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