What is black when you buy it, red when you use it, and gray when you throw it away? January 9, 2020 by mcq A) Shoe B) Charcoal C) Belt D) All the above View AnswerOption – B. More QuestionsTwo persons K and L can complete a piece of work in 30 days and 45 days respectively. If they work together, what part of the work will be completed in 3 days ?Which of the following chemical compounds has the highest boiling point?What happens the first time buck is beaten?A can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?Which of the following places is considered a Jain Siddha Kshetra on account of its association with ParsvanathaA student multiplied a number by 3/5 instead of 5/3, What is the percentage error in the calculation ?The Governor of State in India is _______The vitamin required for coagulation of bloodShould the articles of only deserving authors be allowed to be published Arguments: 1. Yes. It will save a lot of paper which is in short upply 2. No. It is not possible to draw a line between the deserving and the undeservingIf July 9th,2013 falls on Sunday then Jan 7th,2014 falls on which day?