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Start learning 50% faster. Sign in nowDownstream speed of the boat = 180/9 = 20 km/hr Upstream speed of the boat = 110/11 = 10 km/hr Speed of boat in still water = (20 + 10)/2 = 15 km/hr
The respective ratio of monthly income of A to monthly income of B is 8:9, and A’s saving is (100/9)% more than B’s saving. Find the expenditure of ...
A candidate who gets 26% marks fails by 10 marks but another candidate who gets 46% marks gets 15% more than the passing marks. Find the maximum marks.
In a company, the ratio of engineers to administrators is 4:1. 15% of engineers and 20% of administrators are involved in a project, and 25% of the rema...
A racing car going at an average speed of 108 km/hr takes 15 minutes to complete a lap on a racing track. By how much should it increase its speed (in ...
A person spent 30% of his monthly income on food and 60% of the remaining on rent. If amount spent on rent is Rs 840, then find the amount spent ...
The price of a product was increased by 25% and then decreased by 20%. If the initial price of the product was ₹400, what is the final price of the p...
After increase in the price of coffee by 20 %, a person is able to buy 4 kg less for Rs. 1,440. Find the original and increased price of the coffee per ...
Person A spends 40% more than what he saves. He allocates 30% of his total spending to cover his rent expenses. If he pays Rs. 2100 as rent, what is his...
In an election contested between two candidates, 75% of the total voters in the city participated in voting, out of which 20% of ...
In a test, P got 26% of total marks and failed by 25 marks while Q got 44% of total marks which is 20 more than passing marks. Find the total marks of t...
