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Area of walls = 2h (l + b) Length = 8m, breadth = 10m and height = 12m So, area of 4 walls = 2 × 12 (8 + 10) = 24 × 18 = 432 m² Area of ceiling = l × b = 8 × 10 = 80 m² So total area for white wash = 432 + 80 = 512 m² Rate per square meter = Rs 15 Then, Total cost = 512 × 15 = Rs. 7,680
The respective ratio of monthly income of A to monthly income of B is 5:6, and A’s saving is (100/6)% more than B’s saving. Find the expenditure of ...
A certain sum becomes Rs 13650 at 15% p.a. simple interest after 2 years. What will be the amount (in RS) of the same sum after 1 year at the same rate ...
A gets 36% of the full marks in an exam and fails by 90 marks. B gets 38% of the full marks in the same exam and he also fails by 72 marks. What is the ...
A and B together have total of Rs.6000 out of which they donated 20% to the orphanage school. The remaining amount is to be then redistributed between t...
The price of a car increased by 5% while its sales decreased by 16%. What is the percentage change in the total revenue?
A person initially spends 50% of his salary and saves the rest. After his salary increases by 30%, he continues to save the same amount but now spends R...
A company’s revenue increases by 20% in the first year, decreases by 10% in the second year, and increases by 25% in the third year. If the revenue at...
On Wednesday, the price of tomatoes increased by x% as compared to Tuesday and the price of tomatoes decreased by x/2% on Tuesday as compared to Monday....
Rani appeared for an examination which had four papers, with the weightage of the four papers being in the ratio 1:2:3:x She secured 60 percent marks i...
A company manufactures two products, A and B, with production costs of 150 and 200, respectively. To meet market demand, the company raises the price of...
