Multiple choice

The question given below contain two statements numbered I and II giving certain data. You have to decide whether the data given in the statements are sufficient to answer the question. In how many days Gaurav can complete the book of reasoning? Statement I: Shashank is twice as efficient as Gaurav. Shashank can complete 3 pages per day which is 1/250 part of the book. Statement II: Saina is twice as efficient as Shashank and thrice as efficient as Gaurav. Shashank can complete 2 pages per day.

  1. if statement I alone is sufficient but statement II alone is not sufficient.

  2. if statement II alone is sufficient but statement I alone is not sufficient.

  3. if either statement I or II is sufficient.

  4. If both statement I and II together are not sufficient.

  5. If both statement I and II together are sufficient, but neither of them alone is sufficient
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Statement I: Shashank is twice as efficient as Gaurav and completes 3 pages/day = 1/250 of book. So book has 750 pages. Gaurav, being half as efficient, completes 1.5 pages/day. Days needed = 750/1.5 = 500 days. Statement I alone is sufficient. Statement II gives Saina's efficiency relative to others but doesn't define the book size, so insufficient alone.

Keep practicing — related questions