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Start learning 50% faster. Sign in nowAccording to the question Percentage change in Area = x – y – xy/100 = 10 – 5 – 10 × 5/100 = 5 – 0.5 = 4.5% The area of the rectangle will be increased by 4.5%.
A towel was 75 cm broad and 120cm long. When bleached, it was to have lost 40% of its length and 20% breadth. The percentage of decrease in area is:
Out of total number of students in a class, 45% are boys and remaining are girls. If 50% of girls which is 176, participated in the drawing competition,...
What is the percentage change in the result when we add 36 to a certain number x, instead of subtracting 36 from the same number x?
The marks obtained by Meena in English is 40% more than the marks obtained by her in History, and the average marks scored by Meena in English, History,...
If 40% of 'p' is equal to 'q', then what percentage of 40 is equal to 'p'?
A student multiplied a number by 3/5 instead of 5/3, What is the percentage error in the calculation ?
...The number of employees in a company was 17,500 in 2015. It increased by 20% in 2016, decreased by 30% in 2017, and then increase...
A man spends 22% and 14% of his monthly salary on rent and transportation, respectively. Out of the remaining money, he spends 32% on food and 47% on en...
Seven years ago, the ratio of the ages of A and B was 4: 5. Eight years hence, the ratio of the ages of A and B will be 9:10. What is the sum of their p...
