The value of 
is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 
Multiply and divide by 
in C and by 
in B and
by 
in A. we get
Hence we get,
A + B - C = √2
SSC CGL 2019 PYQ — Question 1
SSC CGL Tier II - Quant 13th Sep. 19 • Quantitative Aptitude • Q1