The greatest number consisting of five digits which is a perfect sq… — WBCS Preliminary Examination 2016 Q154

Q154

ArithmeticNumber System, LCM/HCF & Divisibility

The greatest number consisting of five digits which is a perfect square is

Answer: (B) 99856

The square root of 99999 ≈ 316.2. $316^2 = 99856$. So 99856 is the greatest five-digit perfect square.

WBCS Preliminary Examination 2016 — General Studies · Question 154 of 200