Perimeter of the square = 4 x 10 = 40 cm Perimeter of the rectangle = 40 x (230/100) = 92 cm Length of the rectangle = 10 x (350/100) = 35 cm Let the breadth of the rectangle be b cm. => 2 x (35 + b) = 92 => b = 46 – 35 => b = 11 cm Required difference = (35 x 11) - (10 x 10) = 285
Gita, Hema, and Isha contested an election in which 6400 votes were polled and none of the votes were invalid. Hema got 60% more votes than the total vo...
A girl spent 12% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 7:4. If the difference of the income ...
The total number of students in a college is 13,200. If the number of male students increases by 30% and the number of female students increases by 20% ...
When A's income is doubled and his expenditure remains unchanged, his savings increase by Rs. 40,000. If B's income is 15% higher than A's initial incom...
The population of a city is decreased by 14% in the first year and then increased by 21% in the second year. Find the population of the city at the end...
Monthly savings of X is 55% of his monthly income which is Rs. 6800. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings...
In an exam, two candidates scored 33% and 38% of the total marks, but both did not pass. The first candidate fell short by 56 marks, while the second c...
The income of ‘A’ increases by 35% every year. If the present income of ‘A’ is Rs. 45562.5 and his expenditure 2 years ago from now was Rs. 1200...
Rahul saves Rs. 5800 more if he spends 55% of his income instead of 75%. Find the savings of Sumit whose income is 20% more than that of Rahul, and spen...
The population of a city is decreased by 15% in the first year and then increased by 20% in the second year. Find the population of the city at the end...
