ABC26GN2014 · Logarithms

Subject: General Aptitude · Chapter: Logarithms · Exam: · Marks: · Difficulty:

If log 2 = 0.3010 and log 3 = 0.4771, find the values of : (i) log 25 (ii) log 4.5  100 
Answer
Answer (as printed):
Explanation
(i)log 25 = log   = log 100 – log 4 = 2 – 2 log 2 = (2 – 2 × 0.3010) =  4  9 (ii) log 4.5 = log   = log 9 – log 2 = 2 log 3 – log 2 2 = (2 × 0.4771 – 0.3010) = 0.6532

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

Open in whiteboard · Browse this chapter in the app