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RRB Assistant Loco Pilot and Technician Model Paper 5 with solutions
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© examsnet.com
Question : 18
Total: 100
A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio fo the cost price and the printed price of the book is
45 : 56
45 : 51
47 : 56
47 : 51
Validate
Solution:
(a) Let the CP be ₹ 100.
∴ SP = ₹ 112
If the marked price be ₹ x, then
90% of x = 112
⇒ x =
112
×
100
90
=
₹
1120
9
∴ Required ratio
= 100 :
1120
9
= 900 : 1120 = 45 : 56
© examsnet.com
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