Sainik School Entrance Exam 2020 Solved Paper

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Question : 25 of 150

Marks: +1, -0

On selling a fan for

₹ 810

, Sunil gains

8 \%

. For how much did he purchase it?

₹ 700
₹ 675
₹ 650
₹ 750

Solution:

(d) From the question, selling price ₹ 810 , gain

=8 \%

∴ Cost price

=\₹ 810 ×{100}/{100+8}

=\₹ 810 ×{100}/{108}={810}/{27} ×25

=30 × 25=\₹ 750.

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