Logarithmic Functions

IMPORTANT

Logarithmic Functions: Overview

This topic covers concepts, such as Logarithm of Arbitrary Base, Important Results of Logarithm, Logarithm of Mathematical Constant, Parts of Logarithm, Common Logarithm, Logarithmic Identities, and Logarithm of Division of Numbers.

Important Questions on Logarithmic Functions

MEDIUM
IMPORTANT

If x=log2412; y=log3624; z=log4836;
then xyz+1=?

EASY
IMPORTANT

1loga b×1logb c×1logc a is equal to __________.

EASY
IMPORTANT

If x2+y2=7xy then, log13x+y=?

EASY
IMPORTANT

 The value of log0.652

EASY
IMPORTANT

What should come in the place of (?) for the expression given below?

log24-log39log416+log525log636=?

EASY
IMPORTANT

What should come in the place of (?) for the expression given below?

log10100log525+log1010log55+log101000log5125=?

EASY
IMPORTANT

The characteristic of the logarithm 0.002359 is

EASY
IMPORTANT

The base of common log is 10. So log 100=?

EASY
IMPORTANT

Which one is a common logarithm?

HARD
IMPORTANT

Find the value of  log216+log264 :

HARD
IMPORTANT

Match the List I and List II and select the correct answer using the given code:

List I List II
1. logea A. Natural logarithm
2. log10a B. Binary Logarithm
3. log2a C. Common Logarithm

 

HARD
IMPORTANT

If the log 1254=2.9275 , find the mantissa of log 12.54 ______.

HARD
IMPORTANT

What is the value of ? in the following expression :

log316log98×log410=?

HARD
IMPORTANT

Find the value of ( log 500-log 2)+log 4 :

MEDIUM
IMPORTANT

Find the value of x , given -log x = 12 :

HARD
IMPORTANT

If log 2 p = 3 and log12q = -2 , then :

HARD
IMPORTANT

If log x+log x2 = 3 , then the value of x is _____ .

MEDIUM
IMPORTANT

Find the value of log23×326×643 :

HARD
IMPORTANT

Find the value of log32324 :

HARD
IMPORTANT

Find the value of x and y , if 625log5x+log5y = 5 and x+y = 130 :