9th Mathematics Chapter3 Logarithms

Sr #	Questions	A	B	C	D
1	Solve for $x$ in the equation $3^{2 x - 1} = 9$ :	0	1	2	3
2	If $log_{b} 8 = 3 1$ , what is the value of $b$ ?	2	4	8	16
3	If $log$ $_{f}$ $16 =1/2$ , what is the value of $f$ ?	2	4	8	16
4	If $loga a = 1$ , what is the value of $a$ ?	0	1	2	10
5	If $log_{2} x = 3$ , what is the value of $x$ ?	2	4	6	8
6	What is $log$ $_{2}$ $0.125$ ?	-1	-2	-3	-4
7	If $log_{a} 0.01 = - 2$ , what is the value of $a$ ?	0.1	0.5	1	2
8	Simplify $log$ $_{2}$ $8 + log$ $_{2}$ $16$ :	4	8	12	24
9	What is the value of ?	2	3	4	5
10	Simplify $log_{4} 2 + log_{4} 8$ :	1	2	3	4
11	Solve for $x$ in the equation $10$ $^{x}$ $= 1000$ :	2	3	4	5
12	What is the logarithm of 1000 to the base 10?	2	3	4	5
13	If $log$ $_{e}$ $1$ $= 0$ , what is the value of $e$ ?	0	1	2	e
14	Evaluate :	2	4	6	8
15	Solve for $x$ in the equation $2^{x} = 16$ :	2	3	4	5
16	If $log_{a} 25 = 2$ , what is the value of $a$ ?	5	10	25	50
17	What is $log_{3} 81$ ?	1	2	3	4
18	If $log_{c} 1 = 0$ , what is the value of $c$ ?	0	1	2	10
19	If $2^{x} = 8$ , what is the value of $x$ ?	2	3	4	5
20	Simplify $log$ $_{5}$ $25 - log$ $_{5}$ $5$ :	1	2	3	4
21	If $log$ $_{d}$ $64 = 2$ , what is the value of $d$ ?	2	4	6	8