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CAT 2020 Exam Shift 3 Solved Paper
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© examsnet.com
Question : 56
Total: 76
Vimla starts for office every day at 9 am and reaches exactly on time if she drives at her usual speed of
40
k
m
∕
h
r
. She is late by 6 minutes if she drives at
35
k
m
∕
h
r
. One day, she covers two-thirds of her distance to office in one-thirds of her usual time to reach office, and then stops for 8 minutes. The speed, in
k
m
/
h
r
, at which she should drive the remaining distance to reach office exactly on time is
29
27
28
26
Validate
Solution:
Let the original time taken by Vimla be t minutes
40
t
/
60
=
35
×
(
t
+
6
)
/
60
⇒
t
=
35
×
6
5
=
42
m
i
n
The distance to office
=
28
k
m
Required answer
=
28
×
1
3
42
×
2
3
−
8
×
60
=
28
k
m
p
h
© examsnet.com
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