Let the speed of the man be ‘x’ m/sec. Speed of train = 1600/20 = 80 m/sec Relative speed of the train = (80 – x) m/sec According to the question, => (80 – x) = 1600/25 => x = 80 – 64 => x = 16 Therefore the speed of the man = 16 m/sec
In a train, 40% of the passengers are females. Out of total number of passengers, 60% have unreserved tickets out of which 20% are females. How much per...
A man's annual income has increased by Rs 5 lakhs but the tax on income that he has to pay has reduced from 12% to 10%. He now pays Rs 10,000 more inco...
B invests 40% of his monthly salary on Travelling and 25% of remaining on Food. Again, he invested 20% of the remaining (after travelling and food expen...
Neeraj's earnings decreased by 50% and after that subsequently increased by 50%. Find the final loss % on his earnings.
The stock of rice in a shop has increased by 25%. What percentage of the stock of rice should be sold so that the stock again becomes as much as it was ...
Monthly savings of X is 45% of his monthly income which is Rs. 8800. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings...
A man donated 15%, 20% and 23% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums re...
In an election between two candidates, winner got 40% of total valid votes. If total number of votes cast were 1000 out of which 6% were invalid, then f...
Monthly income of P is Rs.14000 and his monthly savings is Rs.7500. If his monthly income is decreased by 30% and monthly expenditure is decreased by 25...
Ratio of males to females in city A is 2:3 and ratio of males to females in city B is 14:25. Number of males in city B are (x+10)% more than number of m...
