Question
A, B and C alone can complete a work in 20, 30 and 25
days respectively. All of them started working together but after 4 days from start A left the job and after 5 more days B also left the job. So for how many days did C work?Solution
Let the total work = 300 units (LCM of 20, 30 and 25) Amount of work done by A alone in one day = 300/20 = 15 units Amount of work done by B alone in one day = 300/30 = 10 units Amount of work done by C alone in one day = 300/25 = 12 units Amount of work done by A, B and C together in 4 days = 4 ├Ч (15 + 10 + 12) = 148 units Amount of work done by B and C together in 5 days = 5 ├Ч (10 + 12) = 110 units Remaining work = 300 тАУ 148 тАУ 110 = 42 units So, the time taken by C alone to complete 42 units work = 42/12 = 3.5 days So, C worked for 3.5 + 4 + 5 = 12.5 days
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ тАШ рдЖрд╡рдзрд┐рдХ рдореВрд▓реНрдпрд╛рдВрдХрди рдкреНрд░рдгрд╛рд▓реА тАШ рд╢...
Collateral credit
The following Hindi sentences are followed by four different ways in which they can be paraphrased in English language. Identify the option wh...
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ┬а рд╡реНрдпрдкрдЧрдд рдЬрдорд╛ ┬а┬ард╢рдмреНрдж рдХрд╛ рд╡рд┐рддреНрддреАрдп рд╢рдмреНрджрд╛рд╡рд▓реА я┐╜...
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ token coin рдХрд╛ рдкрд░реНрдпрд╛рдп рдирд╣реАрдВ ┬а рд╣реЛрдЧрд╛ ?
┬а рджреГрд╖реНрдЯрд┐рдмрдВрдзрдХ тАУ
рдЗрд╕ рд╡рд╛рдХреНрдп рдХрд╛ рдЙрдЪрд┐рдд рдЕрдВрдЧреНрд░реЗрдЬреА рдЕрдиреБрд╡рд╛рдж рджрд┐рдП рдЧрдП рд╡рд┐рдХрд▓реНрдкреЛрдВ рдореЗрдВ рд╕реЗ рдЪреБ...
Law of diminishing returns┬а рдХреЗ рд▓рд┐рдП рд▓рд┐рдП рд╕рд╣реА рдкрд╛рд░рд┐рднрд╛рд╖рд┐рдХ рд╢рдмреНрдж рд╣реИ
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рд╢рдмреНрдж рдХрд┐рд╕реА рди рдХрд┐рд╕реА рдкреНрд░рдХрд╛рд░ рд╕реЗ тАШ рддреНрдпрд╛рдЧрдирд╛ тАШ рдХрд╛ рдЕрд░реНрде я┐╜...
'рдХрд╛рд░реНрдпрд╛рдиреНрд╡рдпрди' рдХрд╛ рдмреИрдВрдХрд┐рдВрдЧ рд╢рдмреНрджрд╛рд╡рд▓реА рдХреЗ рдЕрдиреБрд╕рд╛рд░ рд╕рд╣реА рдЕрдВрдЧреНрд░я┐╜...