Question
Ruchi, Khushi and Tej can do a piece of work in 30, 40
and 60 days respectively. In how many days can Ruchi do the work, if she is assisted by both Khushi and Tej on every third day?Solution
RuchiKhushiTej 304060 120LCM of 30,40,60 432 Working type -Ruchi +Ruchi+ (Ruchi +Khushi +Tej) Working in first 3 days =4+4+4+3+2=17units 3×7days =17×7=119units 21days =119units Remaining work =120-119=1unit 22days =1/4 days Total days = 21+1/4=85/4days
How many gold medals did India win in the Asian Junior Boxing Championship 2021 in Dubai?
In which country the E-commerce and Technology conglomerate Alibaba located?
Which one of the following attributes is required for internal linking in HTML?
Which Article of the Constitution of India provides that ‘there shall be a Vice President of India’?
Which of the following events was conducted by the Ministry of Ayush, GoI to mark the 100-day countdown to the International Day of Yoga 2022?
Which of the following is true about respiration?
Who was the fourth President of India?
With which of the following companies has ISRO collaborated with to strengthen research and development of NaviC messaging service?
The writ by which a High Court or the Supreme Court can secure the body of a person who has been imprisoned to be brought before it is
Which of the following is correct?
Relevant for Exams:
