# CAT 2018 Question Paper | Quants Slot 1

###### CAT Previous Year Paper | CAT Ratio and Proportions Questions | Question 6

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Question 6 :Two types of tea A and B are mixed and then sold at Rs. 40 per kg. The profit is 10% if A and B are mixed in the ratio 3 : 2, and 5% if this ratio is 2 : 3. The cost prices per kg of A and B are in the ratio

1. 21 : 25
2. 19 : 24
3. 18 : 25
4. 17 : 25

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##### Method of solving this CAT Question from Ratio and Proportions

Let Tea A and B be sold at Rs.a and Rs.b respectively
When A and B are mixed in the ratio 3 : 2 and sold at a profit of 10% at Rs.40 per Kg
$$frac{3a + 2b}{5}$ = $\frac{40}{1.1}$ ------$1)
When A and B are mixed in the ratio 2 : 3 and sold at a profit of 5% at Rs.40 per Kg
$$frac{2a + 3b}{5}$ = $\frac{40}{1.05}$ ------$2)

Solving equations (1) and (2), we get
1.1 × ($$frac{3a + 2b}{5}$) = 1.05 ×$$$frac{2a + 3b}{5}$) $\frac{11}{10}$ ×$3a + 2b) = $$frac{21}{20}$ ×$2a + 3b)
66a + 44b = 42a + 63b
24a = 19b

$$frac{a}{b}$ = $\frac{19}{24}$ So, the cost prices per Kg of A and B are in the ratio 19 : 24 The question is "Two types of tea, A and B, are mixed and then sold at Rs. 40 per kg. The profit is 10% if A and B are mixed in the ratio 3 : 2, and 5% if this ratio is 2 : 3. The cost prices, per kg, of A and B are in the ratio" ##### Hence, the answer is 19 : 24 Choice B is the correct answer. ###### Best CAT Online Coaching Try upto 40 hours for free Learn from the best! ###### Prepare for CAT 2024 with 2IIM's Daily Preparation Schedule ###### Know all about CAT Exam Syllabus and what to expect in CAT ###### Already have an Account? ###### CAT Coaching in ChennaiCAT 2024 Classroom Batches Starting Now! @Gopalapuram and @Anna nagar ###### Best CAT Coaching in Chennai Attend a Demo Class ###### Best Indore IPM & Rohtak IPM CoachingSignup and sample 9 full classes for free. Register now! ## CAT Questions | CAT Quantitative Aptitude ## CAT Questions | Verbal Ability for CAT ##### Where is 2IIM located? 2IIM Online CAT Coaching A Fermat Education Initiative, 58/16, Indira Gandhi Street, Kaveri Rangan Nagar, Saligramam, Chennai 600 093 ##### How to reach 2IIM? Mobile:$91) 99626 48484 / 94459 38484
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