Question
In a rectangular floor of length and breadth of 20
metres and 8 metres, respectively, square tiles each of 4 metre edge length are to be laid. If the cost of each tile is Rs. 123, then find the total cost of the tiles to be laid in the room.Solution
Area of the rectangular room = 20 × 8 = 160 m2 Area of each tile = 4 × 4 = 16 m2 So, number of tiles to be laid in the room = (160/16) = 10 So, total cost of all the tiles laid in the room = 10 × 123 = Rs. 1230
The ratio of monthly savings to monthly expenditure of Meera is 4:5 respectively. If her savings rise by 50% while her expenditure falls by 40%, then he...
Income of 'Ravi' is 20% more than that of 'Amit', and the ratio of expenditure of Amit to that of Ravi is 3:4. Amit's income is Rs. 800 more than Ravi's...
A company has three departments: A, B, and C. The total monthly salary expenditure is ₹1,200,000. Department A spends 50% of the total salary, Departm...
There are two friends, 'C' and 'D'. Income of 'C' is Rs. 54,000. 'D' saves 25% of his income and 'C' saves 40% of his income. If savings of 'D' are Rs. ...
- Salaries of Dev, Ishaan, and Jai are in the ratio 13:10:8. Their respective savings are in the ratio 7:5:4. If Ishaan saves Rs. 20,000, which amounts to 40...
Out of his total monthly salary, a man spends 20% on transportation and 40% on food. Out of the remaining salary, he spends 10% on fuel and saves the re...
‘Rahul’ spends 75% of his income whereas ‘Sohan’ spends 60% of his income. If each of them saves Rs. 3,000, then find the total expenses of ‘R...
Ramesh spends 40% of his income and divides the remaining income among his wife and children (a daughter and a son) in the ratio of 3:4, respectively. I...
The ratio of monthly savings to monthly expenditure of Rohan is 5:6 respectively. If his monthly savings is increased by 40% while monthly expenditure i...
- If A earns Rs. 30,000, she spends 40% of it on rent and Rs. 3,000 on food, saving the remaining amount. Later, her income rises by 20%, while her rent incr...
Relevant for Exams:
