CAT 2024 Quant was dominated by Algebra followed by Arithmetic. In Arithmetic, the questions were dominated by topics like Speed-time-distance, Mixture and Alligations. This year, there was a surprise. The questions from Geometry were relatively on the lower side as compared to the previous years. There were 8 TITA Qs this year. Overall this section was at a medium level of difficulty.
Question 12 Gopi marks a price on a product in order to make 20% profit. Ravi gets 10% discount on this marked price, and thus saves Rs 15. Then, the profit, in rupees, made by Gopi by selling the product to Ravi, is
Let, \(CP = x\)
Then, MP = 1.2 x ;
\[
S P=M P-10 \% M P=90 \% M P
\]
Also,
Savings = Rs. 15
Savings with respect to percentage \(=10 \%\) of \(M P=0.12 x\)
Thus, \(0.12 x=15\)
\[
\Rightarrow x=125
\]
Hence,
\[
\begin{array}{l}
C P=125 ; \quad M P=150 ; \quad S P=135 . \\
\Rightarrow \text { Profit }=135-125=10 .
\end{array}
\]
The question is "Gopi marks a price on a product in order to make 20% profit. Ravi gets 10% discount on this marked price, and thus saves Rs 15. Then, the profit, in rupees, made by Gopi by selling the product to Ravi, is"
Choice B is the correct answer.
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