A and B can do a work in 21 days, A is (7/4) times as efficient as B. In how many days, A alone can complete the (100/3)% of the work?
Let efficiency of B be 4 units/day Efficiency of A = 4 × (7/4) = 7 units/day We know, Total work = Efficiency × Time taken Total work = (7 + 4) × 21 = 231 units 100/3 % of the total work = 231 × 100/300 = 77 units A alone can complete 100/3 % of the work in = 77/7 = 11 days
Recently Vivek Express got the title of India’s longest train route in the country which runs from _______to Kanyakumari?
What is the name of the third Stealth Destroyer of Project 15B Class Guided Missile Destroyer recently delivered to the Indian Navy by Mazagon Dock Ship...
Recently COP26 and NITI Aayog has launched an initiative E-AMRIT. What does R stand for?
What is the revised growth forecast for Developing Asia in calendar year 2023, as per the Asian Development Bank (ADB)?
In which state the government inaugurated the ‘E- Sushrut’ hospital management Information System (HMIS )in 22 state medical colleges.
‘Ganymede’, a natural satellite of ___________, is the largest and most massive of the Solar System's moons.
The Centre announced 939 police medals on the eve of the Republic Day 2022. The ___________ Police has bagged the highest number of medals.
The Sashastra Seema Bal Guwahati celebrates its 59th Anniversary Day on which of the following day?
Who has been re-elected as the Chairman of the Armed Forces Tribunal (AFT) for a four-year term?
A scheme, which aims at development of sustainable models of organic farming through a mix of traditional wisdom and modern science to ensur...