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Number of students appeared for the exam from city D in all the years together = 4500 + 3600 + 4000 = 12100 Number of students appeared for the exam from city B in 2019 and 2020 = 3600 + 4200 = 7800 Required difference = 12100 – 7800 = 4300
A number is initially increased by 24% and subsequently reduced by 30%. Determine the overall percentage change in the number, indicating whether it is ...
A scored 20% more than B. If both score 4 marks more than the sum of the marks scored by A and B together would have been 20% more than the passing mar...
Certain number of students from two schools takes part in an examination. Out of a total of 100 students who participated from ABC school, x% failed in ...
In a bio gas plant the population of yeast bacteria increases at a rate of 19% per annum but there is an additional annual increase of 1% in population ...
The income of Tina is Rs.32000 and she saves 20% of her income. The savings of Kajal is Rs.2000 more than that of Tina and she spends 60% of her income....
In a recent survey in a city, 60% houses contained two or more persons and rest have only 1 person. Of those houses having only one person, 45% were ha...
If A's salary is 60% more than B's salary, then by what percentage is B's salary less than that of A?
Out of the total income of Anjali, she spends 20% on food, 40% on rent and 25% on groceries. Out of the remaining income, she donates 35% in a charity a...
Suyash have total amount of Rs.2100 out of which, he spent 15% on food, 40% of the rest on travelling. Out of remaining amount he spends Rs.400 on misce...
The respective ratio of monthly income of A to monthly income of B is 13:14, and A’s saving is (100/21)% more than B’s saving. Find the expenditure ...
