Question
A and B together can do a work in 5 days. If A can alone
do the same work in 15 days, then in how many days B alone will do the same work?Solution
Total work = Number of days × 1 day’s work (efficiency) Total work = LCM (5, 15) = 15 unit 1 day’s work of (A+B) = 15/5 = 3 unit 1 day’s work of A = 15/15 = 1 unit 1 day’s work of B = 3 - 1 = 2 unit Now, Time taken by B to completed the work = 15/2 = 7.5 days
Where is the headquarters of the Food and Agriculture Organization (FAO) located?
Which of the above statements is/are correct about BIMSTEC:
1. The BIMSTEC intra-regional trade is significantly greater than ASEAN’s.
2...
Which of the following is NOT a key component of the Skill India Mission?
8th edition of Military Exercise Garuda Shakti took place between India and which country?
In the list of most powerful women of Forbes, which state’s tribal woman Matilda Kullu has been added in it?
Who recently became the No. 1 Test bowler according to the ICC Men's Test bowling rankings, replacing James Anderson?
Which railway station of East Coast Railway has been awarded the 'Green Railway Station Certification with highest rating of Platinum?
What is the aim of the Uttarakhand Climate Resilient Power System Development Project for which the Government of India and the Asian Development Bank (...
Which Indian duo won the women’s doubles title at the WTT Feeder Cagliari 2024?
Which of the following states/union territories is NOT included in the list of areas where the new FM transmitters have been installed by Prime Minister...
Relevant for Exams:
