Question
The ratio of length to breadth of a rectangle is 3:5. If
the sum of the length and breadth of the rectangle is 32 cm, then find the area (cm2) of the rectangle.Solution
Let the length and breadth of the rectangle be 3x cm and 5x cm, respectively. According to the question, 3x + 5x = 32 Or, x = 32/8 = 4 Therefore, area of the rectangle = 3x × 5x = 15x2 = 240 cm2
Monthly income of Aisha and Tom is Rs. 75,200 and Rs. 82,000 respectively. Aisha spends 13%, 18%, and 22% on house rent, food, and education of children...
Anjali earned 236 marks in Economics but fell short of the passing mark by 64 points, given the required minimum of 40%. What is the total number of mar...
The salary of X is 50% more than Y, and the allowance of Z is 200 more than the difference of salaries of X and Y. If Z's allowance is 350, then find X'...
Kiran spent 12% of his monthly income on education, 28% on entertainment, 15% on rent, 30% on travelling and the rest on savings. If the difference betw...
A product, coffee beans, was marked up by 40% above the cost price and sold at a discount of ____%. The profit earned by the retailer is ____%. The valu...
A bakery produced 12000 items, of which 30% were cakes and the remaining were pastries. If 90% of the cakes produced and 60% of the pastries produced we...
Ramesh's salary was reduced by 10% and then the reduced salary was increased by 10%. What was his ultimate loss?
Income of A is 55% of the Income of B and A together. The saving of B is 40% of his Income and equals to Rs. 10800. Find the difference between the inco...
A student multiplied a number by 3/5 instead of 5/3, What is the percentage error in the calculation ?
...If the price of tea increases by 50%, what percent should the consumption be cut down to keep the spending constant?Answer should be rounded off to the ...
Relevant for Exams:
