Examsnet
Unconfined exams practice
Home
Exams
Banking Entrance Exams
CUET Exam Papers
Defence Exams
Engineering Exams
Finance Entrance Exams
GATE Exam Practice
Insurance Exams
International Exams
JEE Exams
LAW Entrance Exams
MBA Entrance Exams
MCA Entrance Exams
Medical Entrance Exams
Other Entrance Exams
Police Exams
Public Service Commission (PSC)
RRB Entrance Exams
SSC Exams
State Govt Exams
Subjectwise Practice
Teacher Exams
SET Exams(State Eligibility Test)
UPSC Entrance Exams
Aptitude
Algebra and Higher Mathematics
Arithmetic
Commercial Mathematics
Data Based Mathematics
Geometry and Mensuration
Number System and Numeracy
Problem Solving
Board Exams
Andhra
Bihar
CBSE
Gujarat
Haryana
ICSE
Jammu and Kashmir
Karnataka
Kerala
Madhya Pradesh
Maharashtra
Odisha
Tamil Nadu
Telangana
Uttar Pradesh
English
Competitive English
Certifications
Technical
Cloud Tech Certifications
Security Tech Certifications
Management
IT Infrastructure
More
About
Careers
Contact Us
Our Apps
Privacy
Test Index
AFCAT II 24 Aug 2019 Paper
Show Para
Hide Para
Share question:
© examsnet.com
Question : 21
Total: 100
Two trains start towards each other at same time with speeds50kmph and 60kmph, a bird perched first train and startingfrom first train it went to second train and came back to firsttrain it went back to second train. The distance betweentrains was 220km and speed of bird was 80kmph what is thetotal distance travelled by bird?
160 km
180 km
140 km
None of these
Validate
Solution:
👈: Video Solution
Let the speed first and Second train is
u
kmph and
v
kmph and two trains are d km apart.then time when two train collide
=
d
(
u
+
v
)
It the speed of the bird is
b
kmph, then distancetravelled by the bird
=
b
.
d
u
+
v
Here, distance travelled by the bird
=
80
×
220
50
+
60
=
80
×
220
110
=
160
km
(
a
p
p
r
o
x
)
© examsnet.com
Go to Question:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Prev Question
Next Question