Guesstimation



A guesstimate is a rough approximation or an educated guess at something. Guesstimation is estimation based on guesses, usually for expedience or because no better method is available (yourdictionary.com)

Guesstimation has become an important part of the interview process during campus placements. Guesstimation questions help interviewer’s access the following traits about the candidate:

  • Ability to deal with Ambiguity
  • Process Orientation
  • Analytical Skills
  • Problem Solving Ability
  • Eye for Detail
  • Decision Making  

Following are the problems with solutions in the guesstimation section:

  1. Calculate the mass of the atmosphere.
  2. What is the risk of dying per mile in India, because of a road accident? What fraction of Indian deaths is caused by road accidents?
  3. What would be the total length of cigarettes consumed by Indians annually?
  4. How many laptops are sold in Delhi in a day?
  5. How many mobile phones and smart phones are sold in India per Annum?
  6. What is the kinetic energy of a gun’s bullet?
  7. How many cars are there in Delhi?
  8. How many domestic flights do Indians take in one year?
  9. How much milk is sold in Hyderabad every day?
  10. If all humans in Delhi were crammed together, how much area would we require?
  11. How much domestic waste is produced each year in India?
  12. How many footballs will it take to circle the earth at the equator?
  13. How many cells are there in a human body?
  14. If the Banana’s sold in India in a year, are placed end to end, what distance would they cover?
  15. How many packets of Maggi are consumed in India per day?
  16. How much fuel (Quantity and Amount) will a car consume in its lifetime?
  17. What is the total length of hair on an average man's head?
  18. How long a sausage can be made from all the pigs in India?
  19. In how much time will a candle burn completely?
  20. What is the size of the market for disposable diapers in India?
  21. How much space will be occupied by 1 crore or 10 million people during a political rally?
  22. How many white altos are there in Delhi?
  23. What is the total length of DNA in Human Body?
  24. How many pizzas are sold in a day by Dominos Hyderabad?
  25. How many square feet of pizza is eaten in the United States every month?
  26. How much force needs to be exerted to stop a train?
  27. What is the kinetic energy in joules of a served badminton shuttlecock?
  28. How much energy does a human consume in one year?
  29. What is the radius of Sun? 
  30. What is the power output of the sun in watts?
  31. How much electrical power do Indian households use? 
  32. Calculate the Solar Energy Reaching Earth in a year
  33. After the implementation of the odd-even rationing in Delhi, how many cars can be found on Delhi roads daily?
  34. How many people wear shoes on a working day in Delhi?
  35. What part of the daily communication is non-verbal for a student?
  36. How would you estimate the number of weddings in India in a year?
  37. How would you estimate the number of fruits consumed in Delhi in a day?
  38. What is Surf Excel detergent usage India per day?
  39. How many pet dogs in Delhi are Labradors?
  40. How many golf balls would fit into a Boeing 747?