Basic Mathematics - Solved Assignments and Study Material

This document contains solved assignments and study material for Basic Mathematics. It covers topics such as time conversion, speed calculation, and height measurement. The content is suitable for students pursuing courses in Mathematics and related fields.

Running head: BASIC MATHEMATICS
Basic Mathematics
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1BASIC MATHEMATICS
Table of Contents
Answer 1....................................................................................................................................2
Answer 1.a)............................................................................................................................2
Answer 1.b)............................................................................................................................2
Answer 1.c)............................................................................................................................2
Answer 1.d)............................................................................................................................2
Answer 1.e)............................................................................................................................2
Answer 2....................................................................................................................................2
Answer 2.a)............................................................................................................................2
Answer 2.b)............................................................................................................................2
Answer 2.c)............................................................................................................................2
Answer 2.d)............................................................................................................................3
Answer 3....................................................................................................................................3
Answer 3.a)............................................................................................................................3
Answer 3.b)............................................................................................................................3
Answer 4....................................................................................................................................4
Answer 4.a)............................................................................................................................4
Answer 4.b)............................................................................................................................4

2BASIC MATHEMATICS
Answers:
Answer 1.
Answer 1.a)
20 minutes = (20*60) seconds = 1200 seconds.
Answer 1.b)
6.5 hours = (6.5 *24) minutes = 156 minutes.
Answer 1.c)
0.6 days = (0.6*24) hours = 14.4 hours.
Answer 1.d)
4.5 years = (4.5*365*24*60*60) seconds = 141912000 seconds.
Answer 1.e)
453 seconds = ( 453
(60∗60) ¿ hours = 0.125833 hours.
Answer 2.
Answer 2.a)
25 km/hour = (25∗1000)
(1∗3600) m/s = 25000
3600 m/s = 6.944444 m/s.
Answer 2.b)
150 km/hour = (150∗1000)
(1∗3600) m/s = 150000
3600 m/s = 41.66667 m/s.
Answer 2.c)
2 m/s =
(2/1000)
( 1
3600 )
km/hr = (2∗3600)
(1∗1000) km/hr = 7.2 km/hr.

3BASIC MATHEMATICS
Answer 2.d)
50 m/s =
(50 /1000)
( 1
3600 )
km/hr = (50∗3600)
(1∗1000) km/hr = 180 km/hr.
Answer 3.
Answer 3.a)
A person is 175 cm. tall.
The height of the tower is 553 mitres.
Now, 553 mitres = (553*100) centimetres = 55300 cm.
Hence, the number of people that are to stack one on the tap of another to reach to the
top of CN tower is ( 55300
175 ) = 316.
Answer 3.b)
The height of CN tower = 553 mitre = 55300 cm.
Now, 1 inch = 2.54 cm. 12 inches = 1 foot
The height of the CN tower = 55300
2.54 inch = 21771.65354 inch.
Finally, the height of CN tower = 21771.65354
12 foot = 1814.304462 foot.

4BASIC MATHEMATICS
Answer 4.
Answer 4.a)
The maximum speed reached by standing skateboarder is 14.7 m/s. The speed is converted
as- ( 14.7
1000 )
( 1
3600 )
km/hr = (14.7∗3600)
(1∗1000) km/hr = 52.92 km/hr.
The permitted speed of a standing skateboarder is 30km/hr. The maximum speed of the
standing skateboarder is 52.92 km/hr. Now, maximum speed>permitted speed (52.92>30).
Hence, the skateboard would not get a ticket.
Answer 4.b)
A snail crawls 100 times slower than a normal human walk. The normal speed of human
walk is 3km/hr.
The speed of the snail is ( 3
100) km/hr = 0.03 km/hr.
The speed of standing skateboarder is 52.92 km/hr. Therefore, the speed of snail is ( 52.92
0.03 ¿=
1764 times slower than speed of of standing skateboarder.

5BASIC MATHEMATICS