A.1/8
B.4
C.8
D.16
Show AnswerAnswer=Option B
Logarithm
If logx y = 100 and log2 x = 10, then the value of y is:
A.210
B.2100
C.21000
D.210000
Show AnswerAnswer=Option C
If ax = by, then:
A.log a/b=x/y
B.log a/ log b=x/y
C.log a/ log b=y/x
D.None of these
Show AnswerAnswer=Option C
If logx 9/16= -12, then x is equal to:
A.-3/4
B.3/4
C.81/256
D.256/81
Show AnswerAnswer=Option D
If log 2 = 0.30103, the number of digits in 264 is:
A.18
B.19
C.20
D.21
Show AnswerAnswer=Option C
If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:
A.1
B.3
C.5
D.10
Show AnswerAnswer=Option B
If log10 2 = 0.3010, the value of log10 80 is:
A.1.6020
B.1.9030
C.3.9030
D.None of these
Show AnswerAnswer=Option B
If log10 2 = 0.3010, then log2 10 is equal to:
A.699/301
B.1000/301
C.0.3010
D.0.6990
Show AnswerAnswer=Option B
If log a/b + log b/a= log (a + b), then
A.a + b = 1
B.a – b = 1
C.a = b
D.a2 – b2 = 1
Show AnswerAnswer=Option A
log 8/ log 8 is equal to:
A.1/8
B.1/4
C.1/2
D.1/8
Show AnswerAnswer=Option C