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Efficiency of P = 6/6 = 1 units Efficiency of Q = 6/3 = 2 units Efficiency of P, Q and R = (6 × 10)/4 = 15 units per day Efficiency of R = 15 – (1 + 2) = 12 units per day Time taken by R to finish work ‘N’ = 60/12 = 5 days
In an election between two candidates, winner got 65% of total valid votes. If total number of votes cast were 2000 out of which 6% were invalid, then f...
The population of a college grows by 25% annually. In 2019, the population was 24,000. By 2021, the ratio of boys to girls in the college is 7:8. What i...
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...
Mahima’s expenditure and savings are in the ratio 5 : 3. Her income increases by 15%. Her expenditure also increases by 18%. By how many % does he...
Out of 600 students in school, 40% students like samosa only and 30% students like samosa and momos both. If 22% students don’t like any snacks then f...
Monthly savings of ‘A’ is Rs. 1100 more than his monthly expenditure and his total monthly income is Rs. 6500. If his monthly income is increased by...
On Wednesday, the price of tomatoes increased by x% as compared to Tuesday and the price of tomatoes decreased by x/2% on Tuesday as compared to Monday....
Sunita scored 434 marks in a test and failed by 6 marks. If the passing marks of the test is 25%. What is the maximum mark of the test?
Monthly income of Ajay and Bhanu is Rs. (x + 700) and Rs. x, respectively. If monthly income of Ajay is increased by 20% while that of Bhanu is decrease...
Aman uses 70% of his monthly earnings, resulting in monthly expenses of Rs. 22,750. Riva's savings are 60% higher than Aman's and constitute 40% of her ...
