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Let the total work (LCM of 10, 20 and 30) = 60 units Efficiency of A = 60/10 = 6 units/day Efficiency of B = 60/20 = 3 units/day Efficiency of C = 60/30 = 2 units/day Work done by A and C together in 6 days = 6 × (6 + 2) = 48 units Remaining work = 60 – 48 = 12 units Efficiency of D = (12/3) – 3 = 1 unit/day Number of days taken by D to complete (1/5)th of the same work = (60/5)/1 = 12 days
Corals are colonial animals that resemble humans in one respect: they’re great engineers. Corals construct reefs by excreting calcium carbonate. H...
The deserted garden was infested__________ weeds.
With food a _____________ commodity here than gold, the port is a flashpoint between marauding gangs of looters and bandits.
India must choose what ______________ its energy mix.
I. Will consist of
II. Will make
III. Will comprise
In the following question ,sentences are given with blanks to be filled in with an appropriate word.four alternative is suggested for each question.
Select the most appropriate option for each blank.
The coronavirus spreads mostly through droplets that people send ______ when they talk, sneeze...
Spinning ______ be primary or secondary but the income would go ________ to the kitchen.
He will dispense ______ your services.
Most of the victims are women and children, according to the UN’s International Organisation for Migration, which has called for additional __________...
A) Jeopardise
B) Sumptuous
C) Extravagant
D) Indigenous
...