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Start learning 50% faster. Sign in nowTime taken by B to complete the work = 25 – 5 = 20 days Let the total work = 100 units Efficiency of A = 100/25 = 4 units/day Efficiency of B = 100/20 = 5 units/day Required time taken = 0.90 x 100/(4+5) = 10 days
What are the variables affected by the passage of light waves from air to glass?
Which accounting principle states that companies and owners should be treated as separate entities.
Which one of the following accounting concepts is applied by an entity, when events such as new competitor entering in the market and rift between produ...
Which country has recently obtained the certification of being malaria-free from the World Health Organization (WHO)?
Under which Act it is mandatory to establish a "Court of Inquiry"?
A man is travelling at a speed of 40 km/h such that he will take 60 minutes to reach his destination. But after completing half the journey, the man too...
Average age of a class of 35 students is 15 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find the ag...
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Which numbers should repla...
Match List-I with List-II:
What does SSD stand for in a computer?
