Explore topic-wise MCQs in Aptitude.

This section includes 98 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

1.

If log 2 = 0.3010 and log 3 = 0.4771, the value of log 512 is:

A. 2.870
B. 2.967
C. 3.876
D. 3.912
Answer» D. 3.912
Discussion
2.

If log 2 = 0.30103, the number of digits in 2 is:

A. 18
B. 19
C. 20
D. 21
Answer» D. 21
Discussion
3.

If log = 100 and log = 10, then the value of is:

A. 2
B. 2
C. 2
D. 2
Answer» D. 2
Discussion
4.

The value of log 16 is:

A.
B.
C. 4
D. 8
E. 16
Answer» C. 4
Discussion
5.

If log 2 = 0.3010, the value of log 80 is:

A. 1.6020
B. 1.9030
C. 3.9030
D. None of these
Answer» C. 3.9030
Discussion
6.

If log 5 + log (5 + 1) = log ( + 5) + 1, then is equal to:

A. 1
B. 3
C. 5
D. 10
Answer» C. 5
Discussion
7.

If log 2 = 0.3010 and log 3 = 0.4771, the value of log 512 is:

A. 2.870
B. 2.967
C. 3.876
D. 3.912
Answer» D. 3.912
Discussion
8.

If log 2 = 0.30103, the number of digits in 2 is:

A. 18
B. 19
C. 20
D. 21
Answer» D. 21
Discussion
9.

If log = 100 and log = 10, then the value of is:

A. 2
B. 2
C. 2
D. 2
Answer» D. 2
Discussion
10.

The value of log 16 is:

A.
B.
C. 4
D. 8
E. 16
Answer» C. 4
Discussion
11.

If log 2 = 0.3010, the value of log 80 is:

A. 1.6020
B. 1.9030
C. 3.9030
D. None of these
Answer» C. 3.9030
Discussion
12.

If log 5 + log (5 + 1) = log ( + 5) + 1, then is equal to:

A. 1
B. 3
C. 5
D. 10
Answer» C. 5
Discussion
13.

If log 3 = 0.477 and (1000)x = 3, then x equals to ?

A. 0.159
B. 10
C. 0.0477
D. 0.0159
Answer» B. 10
Discussion
14.

If 55-x = 2x-5, find the value of x . ?

A. 5
B. 0
C. 1
D. Can't be determined
Answer» B. 0
Discussion
15.

If log8 x + log4 x + log2x =11, then the value of x is ?

A. 2
B. 4
C. 8
D. 64
Answer» E.
Discussion
16.

If 100.3010 = 2, then find the value of log0.125 125. ?

A. 699 / 301
B. - 699 / 301
C. - 1
D. - 2
Answer» C. - 1
Discussion
17.

If 2log4x = 1 + log4 (x-1), find the value of x. ?

A. 2
B. 1
C. 4
D. 3
Answer» B. 1
Discussion
18.

If log102 =0.3010 and log107 = 0.8451, then the value of log10 2.8 is ?

A. 0.4471
B. 1.4471
C. 2.4471
D. 14.471
Answer» B. 1.4471
Discussion
19.

If log10 2 =0.301, then the value of log10(50) is ?

A. 0.699
B. 1.301
C. 1.699
D. 2.301
Answer» D. 2.301
Discussion
20.

Find the value of log (a2 / bc) + log (b2 / ac) + log (c2 / ab) ?

A. 0
B. 1
C. abc
D. a
Answer» B. 1
Discussion
21.

Find the value of log0.125 64 ?

A. - 2
B. 2
C. 0
D. Can't be determined
Answer» E.
Discussion
22.

If log 2 = 0.3010, then the number of digits in 264 is ?

A. 18
B. 19
C. 20
D. 21
Answer» D. 21
Discussion
23.

If log10 x = 7, then value of x is ?

A. 10
B. 10
C. 7
D. None of these
Answer» C. 7
Discussion
24.

The value of log23 x log 32 x log34 x log43 is ?

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
Discussion
25.

Given that log10 2 = 0.3010, then log2 10 is equal to ?

A. 0.3010
B. 0.6990
C. 1000 / 301
D. 699 / 301
Answer» D. 699 / 301
Discussion
26.

(log5 3 ) x (log3 625) is equal to ?

A. 1
B. 2
C. 3
D. 4
Answer» E.
Discussion
27.

log9 27 - log27 9 is equal to ?

A. 6 / 5
B. 5 / 6
C. 3
D. 3
Answer» C. 3
Discussion
28.

If 10x = 1.73 and log10 1730 = 3.2380, then x is equal to ?

A. 1.2380
B. 0.2380
C. 2.380
D. 2.2380
Answer» C. 2.380
Discussion
29.

Given that log10 2 = 0.3010 the value of log10 5 is ?

A. 0.3241
B. 0.6911
C. 0.6990
D. 0.7525
Answer» D. 0.7525
Discussion
30.

The value of log6 log5 15625 is ?

A. 1
B. 2
C. 3
D. None of these
Answer» B. 2
Discussion
31.

If log10000x = -1/4, then x is ?

A. 1 / 100
B. 1 / 10
C. 1 / 20
D. None of these
Answer» C. 1 / 20
Discussion
32.

logx (16/25) = -1/2, then x is ?

A. 625 / 256
B. 256 / 625
C. 526 / 265
D. None of these
Answer» B. 256 / 625
Discussion
33.

The value of log2 (1/64) is ?

A. 6
B. - 6
C. 7
D. None of these
Answer» C. 7
Discussion
34.

log-1/3 81 is equal to ?

A. - 27
B. - 4
C. 4
D. 127
Answer» D. 127
Discussion
35.

If log10 {log10[log10(log10N )]} = 0, then the value of N is ?

A. 10
B. 10
C. 10
D. 10
Answer» C. 10
Discussion
36.

The value of 25 log5 4 is ?

A. 16
B. 5
C. 25
D. None of these
Answer» B. 5
Discussion
37.

The value of log10 0.000001 is ?

A. 6
B. - 6
C. 5
D. - 5
Answer» C. 5
Discussion
38.

The value of log10 (0.00001) is ?

A. - 5
B. - 6
C. - 7
D. None of these
Answer» B. - 6
Discussion
39.

Find the value of log3228 + log24337 - log361296 ?

A. 3
B. 2
C. 1
D. 0
Answer» D. 0
Discussion
40.

Find the value of log49 16807 - log9 27 ?

A. 0
B. 1
C. 3 / 2
D. - 1
Answer» C. 3 / 2
Discussion
41.

Find the value of log9 81 - log4 32 ?

A. 1 / 2
B. - 3 / 2
C. - 1 / 2
D. 2
Answer» D. 2
Discussion
42.

log1010 + log10100 + log101000 + log1010000 + log10100000 is equal to ?

A. 15
B. log 11111
C. log
D. 14 log
E. 100
Answer» B. log 11111
Discussion
43.

log10x + log10y = z, then x is equal to ?

A. z / y
B. 10 / z
C. 10
D. / x
E. None of these
Answer» E. None of these
Discussion
44.

If log10 (10x) = 2.7532, then log10 (10000x) is ?

A. 4.7532
B. 5.7532
C. 3 x 2.7532
D. None of these
Answer» C. 3 x 2.7532
Discussion
45.

If loga 3 = 1/3, then value of a is ?

A. 27
B. 81
C. 72
D. None of these
Answer» B. 81
Discussion
46.

The value of 1/(log2 ) + 1/(log6 ) is ?

A. greater then 1
B. less than 1
C. between 5 and 6
D. None of these
Answer» B. less than 1
Discussion
47.

If ax = b, by = c, cz = a, then the value of xyz is ?

A. 0
B. 1
C. 2
D. 4
Answer» C. 2
Discussion
48.

If logxy = 100 and log2x = 10 then the value of y is ?

A. 2
B. 2
C. 2
D. 2
Answer» C. 2
Discussion
49.

The number of digits in the numeral for 264 ?

A. 18 digit
B. 19 digit
C. 20 digit
D. 21digit
Answer» D. 21digit
Discussion
50.

Given log10 2 = 0.30103, log10 3 = 0.47712. Find the number of digit, in 312 x 28 ?

A. 6
B. 7
C. 8
D. 9
Answer» E.
Discussion