Question
Efficiency of A is 25% more than B and B takes 30 days
to complete a piece of work. A started the work alone and then B joined him 4 days before actual completion of the work. For how many days A worked alone?Solution
Efficiency Ratio = A : B = 125 : 100 = 5 : 4 Days Ratio = A : B = 4 : 5 B takes 30 days to complete a piece of work. => 5’s = 30 => 1’s = 6 => 6’s = 24 So A can complete the work in 24 days. Total units of work = 120 (LCM of 24,30) A = 5 unit B = 4 unit A and B worked for 4 days = 4 × (5+4) = 36 units Remaining work = 120 – 36 = 84 units Hence, A worked alone for = 84/5 days.
By which year does India aim to reduce its carbon intensity below 45 percent as per the Panchamrit action plan?
Which of the following is a feature of the Peninsular river system in India?
1. The Peninsular rivers receive water only from rainfall.
As per Census of India 2011, which of the following states has the highest percentage of Hindu population in India?
Which one of the following is NOT an insect?
In the year 1952, who among the following lent his voice for the film ‘Amar Bhupali’, which was being produced in two languages simultaneously and h...
In a food chain, secondary producers are ______.
In which the following sports do caddies play the role of helper for the player?
Zudio is a retail clothing brand owned by Trent Limited, a subsidiary of which of the following?
The 'Clean Note Policy' was announced by the Reserve Bank of India in the year ______.
Under which strata do trees fall?
Relevant for Exams:
