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Start learning 50% faster. Sign in nowTime taken by B to complete the work = 40 – 20 = 20 days Let the total work = 40 units Efficiency of A = 40/40 = 1 units/day Efficiency of B = 40/20 = 2 units/day Required time taken = 0.90 x 40/(1+2) = 12 days
Neeraj's earnings decreased by 50% and after that subsequently increased by 50%. Find the final loss % on his earnings.
In a city, the number of persons travelling by bike is 52.5% the number of persons travelling by metro. The number of persons travelling on foot is 60% ...
Ramesh's salary drops from Rs. 45,000 to Rs. 37,800. What is the percentage fall in his salary?
Out of a total of 200 students in a class, 60% are boys and the rest are girls. Out of the total number of students who appeared in the class test, 25% ...
If the sugar price is increased by 20% by how much percent consumption should be reduced that expense remains same.
A person sells each package of snacks for Rs. 20 each. On Monday, he sold 100 packages which was 20 more than that on Tuesday but 10 less than that on W...
J's salary is 35% less than V's salary, then how much percent more or less is J's salary compared to G's salary, given that G's s...
A man invested all his current month income in starting of a new business in which he spends 40% in advertisement 20% of remaining in furniture 10% of r...
A batsman scored 124 runs, which included 6 boundaries and 10 sixes. What percentage of his total score did he make by running between the wickets?
