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RRB Assistant Loco Pilot and Technician Model Paper 9 with solutions
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© examsnet.com
Question : 16
Total: 100
If on a marked price, the difference of selling prices with a discount of 25% and two successive discounts of 15% and 10% is ₹ 72, then the marked price (in rupees) is
3,600
3,000
2,500
4,800
Validate
Solution:
(d) Let the marked price be ₹ x.
∴ In case I, SP = ₹
75
x
100
Single discount equivalent to successive discounts of 15% and 10%.
=
(
15
+
10
−
15
×
10
100
)
% = 23.5 %
∴ S.P. in this case = ₹
76.5
x
100
∴
76.5
x
100
-
75
x
100
= ₹ 72
⇒
1.5
x
100
= 72
∴ x =
72
×
1000
1.5
= ₹ 4800
© examsnet.com
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