Multiple choice

Passage

Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the statements and give answer

A milk man mixes water with 10 litres of pure milk and sell the solution at the cost price of milk. How many litres of water did he mix? Statement I : The cost price of one litre pure milk is Rs. 40. Statement II : If he had added 2 litres water more, then his profit percentage would have been 40%. Statement III : He earns a total profit of 20%.

  1. Either statement III alone or statements I and II together are sufficient.

  2. Only statement III is sufficient.

  3. Only statement I and III together is sufficient.

  4. Statement I, II, and III together are sufficient.

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Statement III: 20% profit on 10L milk means SP = 1.2 × CP = 480. Since SP = (10+w)×40, solving gives w=2L. Statement I & II: Similar logic with 40% profit scenario also yields w=2L. Both approaches are independently sufficient. Option A is correct.