Challenge Prelims V1.0 – Day 72 – CSAT Paper

1. A shop owner offers the following discount options on an article to a customer: (UPSC 2020)

1. Successive discounts of 10% and 20%, and then pay a service tax of 10%
2. Successive discounts of 20% and 10% and then pay a service tax of 10%
3. Pay a service tax of 10% first, then successive discounts of 20% and 10%

Which one of the following is correct?

2. A shopkeeper mixes two varieties of tea – one costing Rs 75 per Kg and other costing Rs 50 per kg in the ratio 3:2. If he sells the mixed variety at Rs 62.40 per Kg, what is his gain or loss percentage?

3. Ravi bought two goats for Rs 6500. She sold one of them at a gain of 7% and the other at a loss of 6%. On the whole she neither gained nor lost. The cost price of the goats were respectively:

4. A chemist buys medicine worth Rs6400 and makes a profit of 12% even after giving a discount of 20%. What is the MRP displayed on the medicine?

5. A shopkeeper uses a faulty weight and claims that he is losing 12% on selling rice. But in reality he is gaining 10%. Then what actual weight is he using for 1Kg?