Three types of coffee brands A, B and C costs Rs. 85/kg, 100/kg and 50/kg respectively. How many kg of each should be blended to produce 100 kg of mixture worth Rs.80/kg, given that the quantities of B and C are equal?

A = 50, B= C = 25let me know if its right i will post the solution

There is free mock test of rrb ?

Yes cracku Provides Free mock tests for IBPS RRB PO and free mocks for IBPS RRB office assistant. All the mocks are in the latest pattern of the exams.

please suggest some strategy for solving data interpretation

keep practising, I have problem in the same section, trying to improve my speed.

Ok I will msg u the strategy, give me ur whatsapp no

suggests some for solving data interpretation for beginners

Start solving questions that are based on table formats. This will help you to build your basic concepts of percentages and fractions involved in solving D.I, without errors and will eventually help you in solving slightly difficult questions.

in table format they generally ask questions that are ratio based or are classified according to ratios. so having a good practice of these questions will give you a better stand.