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RRB Junior Engineer Stage 1 Model Papers 3
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© examsnet.com
Question : 1
Total: 100
The difference between successive discounts of 40% followed by 30% and 45% followed by 20% on the maked price of an article is ₹ 12. The marked price of the article is:
₹400
₹200
₹800
₹600
Validate
Solution:
1
s
t
successive discount final rate
=
−
x
−
4
+
x
y
100
=
−
40
−
30
+
408
×
3
100
=
−
70
+
12
=
−
58
%
2
n
d
successive discount final rate
=
−
95
−
20
+
95
×
20
100
=
−
65
+
9
=
−
56
%
Let mare price be MP
then
M
P
×
58
100
−
M
P
×
56
100
=
12
⇒
M
P
×
2
100
=
12
M
P
=
₹
600
© examsnet.com
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