ABC26GN1905 · Surds and Indices

Subject: General Aptitude · Chapter: Surds and Indices · Exam: · Marks: · Difficulty:

The value of $(256)^{\frac{5}{4}}$ is
(a)512
(b)984
(c)1024
(d)1032
Answer
Answer (as printed): C
Explanation
$(256)^{\frac{5}{4}}=\left(4^{4}\right)^{\frac{5}{4}}=4^{\left(4 \times \frac{5}{4}\right)}=4^{5}=1024.$

Explanation as extracted from the printed page; notation may be imperfect.

Open in whiteboard · Browse this chapter in the app