If 
, then what is the value of a?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2. (i.e. 
)
⇒ 
= 10
⇒ 
⇒ 
⇒ 100a2 – 100a + 9 = 0
⇒ 
= 
⇒
a =
SSC CGL 2018 PYQ — Question 19
SSC CGL Tier II Quant - 20/02/2018 • Quantitative Aptitude • Q19