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Start learning 50% faster. Sign in nowSide of square = √400 = 20 metres Area of rectangle = 240 m2 Breadth × 20 = 240 Or, Breadth of the rectangle = 12 metres Perimeter of the rectangle = 2 × (12 + 20) = 64 metres
Bella scored 20% marks in a test and failed by 75 marks, whereas Tara scored 40% marks in the same test and failed by 25 marks. Find the passing marks o...
In a college, 72% of the student could cast their votes and none of the votes cast were invalid. Only two students were contesting the elections and the...
Gagan and Magan have their monthly incomes in the ratio of 9:7 while their monthly expenditures are in the ratio of 6:5, if they have saved Rs. 15000 an...
A company’s revenue increased by 20% in the first year and by 10% in the second year. If the revenue at the beginning of the first year was ₹1,00,00...
A student multiplied a number by 8/5 instead of 5/8. What is the percentage error in the calculation?
In 2020, 62(1/2)% of employees in a company were male. In 2021, the total number of employees and the number of male employees increased by 28(4/7)% and...
P spends 26% of his salary on transportation, 24% on food, 22% on children’s education and 19% on medical. He deposits the remaining amount of Rs....
In an election two candidates participated. 10% voters did not vote. 11(1/9) % votes declared invalid and the winner got 50% of the valid votes. If he w...
The number of boys and girls in a school is 160 and 220 respectively. 25% of boys left the school while 40 girls took admission in the school. Find the ...
