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.

51.

If logx4 = 0.4 then the value of x is ?

A. 4
B. 16
C. 1
D. 32
Answer» E.
Discussion
52.

If log1227 =a then log616 is ?

A. 4(3 - a) / 3 + a
B. 4(3 + a) / 3 - a
C. 3 + a / 4(3 - a)
D. 3 - a / 4(3 + a)
Answer» B. 4(3 + a) / 3 - a
Discussion
53.

If log (0.57) = 1756, then the value of log 57 + log (0.57)3 + log 0.57 is ?

A. 0.902
B. 1.902
C. .146
D. .146
Answer» B. 1.902
Discussion
54.

If log5 (x2 + x) - log5 x = 2 then the value of x is ?

A. 24
B. 25
C. 23
D. 120
Answer» B. 25
Discussion
55.

The number of digits in the numeral for (875)16 ?

A. 47 digit
B. 48 digit
C. 49 digit
D. 50 digit
Answer» C. 49 digit
Discussion
56.

Find the number of digits in 810 ? (Given that log10 2 = 0.3010)

A. 19
B. 20
C. 17
D. 10
Answer» E.
Discussion
57.

Find the no. of digits in 857 (given that log102 = 0.3010)

A. 52
B. 50
C. 51
D. 53
Answer» B. 50
Discussion
58.

If A = log27625 + 7log1113 and B = log9125 + 13log107 then which of the following is true ?

A. A > B
B. A < B
C. A =B
D. can't say
Answer» C. A =B
Discussion
59.

If log 2 = 0.30103, the number of digits in 264 is:

A. 18
B. 19
C. 20
D. 21
Answer» D. 21
Discussion
60.

If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:

A. 1
B. 3
C. 5
D. 10
Answer» C. 5
Discussion
61.

The value of 1 + 1 + 1 is:
log3 60 log4 60 log5 60

A. 0
B. 1
C. 5
D. 60
Answer» C. 5
Discussion
62.

If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is:

A. 2.870
B. 2.967
C. 3.876
D. 3.912
Answer» D. 3.912
Discussion
63.

If log 27 = 1.431, then the value of log 9 is:

A. 0.934
B. 0.945
C. 0.954
D. 0.958
Answer» D. 0.958
Discussion
64.

If log10 2 = 0.3010, the value of log10 80 is:
A. 1.6020
B. 1.9030
C. 3.9030
D. None of these
Answer» C. 3.9030
Discussion
65.

If log 125 / log 5 = x, then x is equal to ?

A. 2
B. 3
C. 4
D. 1 / 2
Answer» C. 4
Discussion
66.

The value of 25 log

A. 16
B. 5
C. 25
D. None of these
Answer» B. 5
Discussion
67.

If log 3 = 0.477 and (1000)

A. 0.159
B. 10
C. 0.0477
D. 0.0159
Answer» B. 10
Discussion
68.

If 5

A. 5
B. 0
C. 1
D. Can't be determined
Answer» B. 0
Discussion
69.

Find the value of log x + log (1/x) ?

A. 0
B. 1
C. - 1
D. 1/2
Answer» B. 1
Discussion
70.

(log

A. 1
B. 2
C. 3
D. 4
Answer» E.
Discussion
71.

Find the value of log

A. - 2
B. 2
C. 0
D. Can't be determined
Answer» E.
Discussion
72.

Find the value of log 8 + log 1/8 ?

A. 0
B. 1
C. 2
D. log (64)
Answer» B. 1
Discussion
73.

The simplified form of log(75/16) -2 log(5/9) +log(32/343) is ?

A. log 2
B. 2 log 2
C. log 3
D. log 5
Answer» B. 2 log 2
Discussion
74.

If log 2 = 0.3010 then log 5 equals to ?

A. 0.3010
B. 0.6990
C. 0.7525
D. Given log 2, it is not possible to calculate log 5
Answer» C. 0.7525
Discussion
75.

Find the value of log (a

A. 0
B. 1
C. abc
D. a
E. <sup>b<sup>2</sup>c<sup>2</sup></sup>
Answer» B. 1
Discussion
76.

(log tan1 . log tan2 ............. log tan50 ) is ?

A. 0
B. 1
C. 2
D. - 1
Answer» B. 1
Discussion
77.

The number of digits in the numeral for 2

A. 18 digit
B. 19 digit
C. 20 digit
D. 21digit
Answer» D. 21digit
Discussion
78.

The mantissa of log 3274 is 0.5150, then the value of log 32.74 is ?

A. 1.5150
B. 2.5150
C. 0.5150
D. <span style=" text-decoration : overline ">1</span>
E. .5150
Answer» B. 2.5150
Discussion
79.

The compound interest on Rs. 12,000 for 10 years at the rate of 12% per annum compounded annually is ?

A. 25350
B. 23550
C. 2550
D. 25550
Answer» B. 23550
Discussion
80.

Given log

A. 6
B. 7
C. 8
D. 9
Answer» E.
Discussion
81.

The value of 1/(log

A. greater then 1
B. less than 1
C. between 5 and 6
D. None of these
Answer» B. less than 1
Discussion
82.

The number of digits in the numeral for (875)

A. 47 digit
B. 48 digit
C. 49 digit
D. 50 digit
Answer» C. 49 digit
Discussion
83.

If log

A. 4
B. 16
C. 1
D. 32
Answer» E.
Discussion
84.

If log(x - 5) = log(x) - log(5) and log(y - 6) = log(y) - log(6) then which of the following is correct ?

A. x > y
B. x < y
C. x = y
D. Can't say
Answer» C. x = y
Discussion
85.

Find the number of digits in 8 (Given that log

A. 19
B. 20
C. 17
D. 10
Answer» E.
Discussion
86.

Find the no. of digits in 8

A. 52
B. 50
C. 51
D. 53
Answer» B. 50
Discussion
87.

If log (x + 4) = log(4) + log(x) and log (x + 6) = log (6) then which of the following correct ?

A. x = y
B. x < y
C. x > y
D. Can't say
Answer» D. Can't say
Discussion
88.

If A = log

A. A > B
B. A < B
C. A =B
D. can't say
Answer» C. A =B
Discussion
89.

If 2log

A. 2
B. 1
C. 4
D. 3
Answer» B. 1
Discussion
90.

If log 90 = 1.9542 then log 3 equals to ?

A. 0.9771
B. 0.6514
C. 0.4771
D. 0.3181
Answer» D. 0.3181
Discussion
91.

log

A. 6 / 5
B. 5 / 6
C. 3
D. 3
E. <sup>2</sup>
Answer» C. 3
Discussion
92.

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

A. 18
B. 19
C. 20
D. 21
Answer» D. 21
Discussion
93.

The value of log 9/8 - log 27/32 + log3/4 is ?

A. 0
B. 1
C. 2
D. 3
Answer» B. 1
Discussion
94.

What rate per cent per annum compound interest will Rs. 3,000 in 3 years if the interest is reckoned half yearly ?

A. 12%
B. 13%
C. 14%
D. 15%
Answer» D. 15%
Discussion
95.

The population of a town at the beginning of the year 1986 was 2,65,000. If the rate of increase be 52 per thousand of the population. Find the population at the beginning of the year 1991. ?

A. 3,40,400
B. 3,41,400
C. 3,42,400
D. 3,43,400
Answer» C. 3,42,400
Discussion
96.

Given that log

A. 0.3010
B. 0.6990
C. 1000 / 301
D. 699 / 301
Answer» D. 699 / 301
Discussion
97.

The value of log

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
Discussion
98.

The value of $ frac{ log_{a}{x}}{ log_{ab}{x}} - log_{a}{b}$ is ?

A. 0
B. 1
C. a
D. ab
Answer» C. a
Discussion