Question
A man, a woman and a boy can do a work in 4, 8, 16 days
respectively. How many boys were required with 1 man and 1 woman to complete the same work in 1/2 day?Solution
Work done by a man in (1 )/(2 )days = (1 )/(8 )part Work done by a woman in (1 )/(2 )days = (1 )/(16 )part Work done by a boy in (1 )/(2 )days = (1 )/(32 )part Let one man and one woman together can do a piece of work in (1 )/(2 )days = No. of x boys required According to the question, (1 )/(8 )+ (1 )/(16 ) + x/(32 ) = 1 (4 +2+ x )/(32 ) = 1 6 + x = 32 x = 32 – 6 = 26 Hence, 26 boys will be required.
Hauz Khas was part of which historic city built during Alauddin Khilji's reign?
- Who inaugurated the 'Sushma Bhawan', a women's hostel developed by NDMC?
Who is the author of the novel ‘The Moor’s Last Sigh’?
Which High Court has jurisdiction over the Andaman and Nicobar Islands?
Which entity celebrated its Platinum Jubilee, marked by the unveiling of a commemorative coin by Union Minister Giriraj Singh?
- Who discovered free-living cells in pond water?
On Stanford University's endeavor to advance bimanual mobile manipulation capabilities in robotics through Mobile ALOHA, the technology's foundation is ...
Which defence force has recently provided essential aid and healthcare in North Sikkim under ‘Operation Sadbhavana’?
Who won the Nobel Prize for Literature in 2023.
Which two organic chemists discovered the peroxide effect in the addition of reagents to unsaturated compounds in 1933?
Relevant for Exams:
