What is the India’s rank in the 2017 Digital Evolution Index (DEI)?

Who was named as the Wisden Cricketer of the Year 1980?

The bollywood movie Dil Hai Ki Manta Nahin was inspired from which hollywood film?

What is the middle name of Bajji (Harbhajan Singh)?

How many runs did VVS Laxman score in his ODI debut?

Who has become the first Women to raise Indian flag at Indian Film Festival of Melbourne (IFFM) 2017?

Who is the first Indian woman athlete to win the Gold Medal in Commonwealth Games?

Which county did Javagal Srinath signed in the year 2003?

Who invented field hockey when, where and why?

What are the benefits of using a wooden hockey stick over a composite hockey stick?

9 men do work in 10 days=10*9=90 unit work left=180 unit work to be done in one day=180/2=90 unit additional men=90-9=81

90 men are required per day

10 * 3 = 30 days; 30 - 10 = 20 days it would take to do the job of nine men. 9 * 20 = 180 man-days; 180/2 = 90 men; 90 - 9 = 81 men additional men required to finish the remaining work in 2 more days.

Six men do a piece of work in 10 days with an effort of 6 hours per day. How many extra men are required for doing the work of double strength in 4 days with an effort of 5 hours per day

If 9 boy working 15/2 hours a day can finish a work in 20 days, then how many days will be taken by 12 boy working 6 hours a day to finish the work, it being given than 3 boy of latter type work as much as 2 boy of he former type in the same.

If 15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take, if 3 women do as much work as 2 men?