Explore topic-wise MCQs in Aptitude.

This section includes 7 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 log10 2 = 0.3010 is given, then log2 10 is equal to :

A. 0.3010
B.
C. 0.6990
D.
E.
Answer» D.
Discussion
2.

A wall-clock takes 9 seconds in tringing at 9 O clock. The time, it will take in tringing at 11 O clock, is
[Note : The wall-clock trings 9 times at 9 O clock and 11 times at 11 O clock.]

A. 10 seconds
B. 11 seconds
C.
D. 11.25 seconds
E. 10.80 seconds
Answer» C.
Discussion
3.

If a clock started at noon, then the angle turned by hour hand at 3 : 45 PM is

A. <table><tr><td rowspan="2">117</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">9</td></tr></table>
B.
C. <table><tr><td rowspan="2">104</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">9</td></tr></table>
D. <table><tr><td rowspan="2">97</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">9</td></tr></table>
E. <table><tr><td rowspan="2">112</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">9</td></tr></table>
Answer» E. <table><tr><td rowspan="2">112</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">9</td></tr></table>
Discussion
4.

A coin is tossed thrice. The probability that exactly two heads show up is

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
Discussion
5.

If a machine consumes k/5 kilo watts of power every t hours, how much power in kilowatts, will three such machines consume in 10 hours ?

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>k</center></td></tr><tr><td style="text-align: center;">t</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>6t</center></td></tr><tr><td style="text-align: center;">k</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>6k</center></td></tr><tr><td style="text-align: center;">t</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>t</center></td></tr><tr><td style="text-align: center;">k</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>t</center></td></tr><tr><td style="text-align: center;">k</td></tr></table>
Discussion
6.

A die with faces numbered from 1 to 6 is thrown twice. The probability, that the numbers shown up differ by 2, is

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
Discussion
7.

A wall-clock takes 9 seconds in tringing at 9 O clock. The time, it will take in tringing at 11 O clock, is

A. 10 seconds
B. 11 seconds
C.
D. 11.25 seconds
E. 10.80 seconds
Answer» C.
Discussion