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Area of the rectangular room = 12 × 9 = 108 m2 Area of each tile = 3 × 3 = 9 m2 So, number of tiles to be laid in the room = (108/9) = 12 So, total cost of all the tiles laid in the room = 12 × 144 = Rs. 1728
If A : B = 8:5 and A is 21 more than B then find the sum of A and B.
Three numbers are in ratio 3:5:6. If the sum of the squares of those three numbers is 280 then find the sum of the three numbers.
Marks scored by A and B in a test are in the ratio 13:8 respectively. If B had scored 4 more marks, then marks scored by A would be 30% more than that o...
Two numbers are in the ratio 7:4. After adding 2 and 6 to them respectively the ratio becomes 2:3. Find the bigger number.
What is the fourth proportional to 189, 273 and 153?
If the mean proportion between 98 and 8 is denoted by 'k', then determine the ratio of (k + 4) to (k - 8).
What is the fourth proportional to 2, 5, 12?
A sum of money is divided among P, Q, R and S in the ratio of 3:4:8:9 respectively. If the share of R's is Rs. 2600 more than the share of Q, then what ...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 3 : 4 : 5 : 6. if the loss i...
Ratio of males to females in village ‘A’ and village ‘B’ is 9:10 and 17:18, respectively and number of females in village ‘B’ is 25% more th...
