Question
Find the area between the lines 18x +12y = 108, 9x  +
6y  = 27, x - axis and y -axis.ÂSolution
Find the fourth proportion of 3, 7 and 15.
If the mean proportion of 4.8 and 1.2 is 'k', then find the value of '6k'.
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 1 : 3 : 4 : 6. if the loss i...
The ratio of the incomes of Vineet and Vidya is 10:7 respectively. Vineet saves 30% of his income while Vidya saves 20% of his income. The sum of their ...
The ratio of number of boys and girls in a factory of 660 workers is 7:5. How many more girls should be joined to make the ratio 1:1?
Two numbers are in the ratio 6:5. After adding 3 and 5 to them respectively the ratio becomes 2:3. Find the bigger number.
Find the third proportion to 16 and 24.
If a:b = 3:2, then find the value of (2a + 3b):(5b - 2a).
The ratio of P :Q is 3 : 5 and that of Q : R is 4 : 7. If P equals 2400, then what is the value of R?
Marks scored by A and B in a test are in the ratio 13:6 respectively. If B had scored 4 more marks, then marks scored by A would be 30% more than that o...
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