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Sum of numbers are 7, 42, 50, 49 except 50 all are divisible by 7
If x+3, x-2, 6 and 5 are in proportion then find the mean proportional to x and 9x2.
Find the mean proportion of 8.4 and 18.9.
The marks obtained by X and Y in a quiz are in the ratio 7:5 respectively. If Y had scored 5 more marks, then the marks scored by X would be 30% more th...
Population of a town is 1,02,000. If number of the male increase by 7% and Females increase by 10% then the population of town would increase by 9.5 %. ...
Ratio of males to females in village ‘A’ and village ‘B’ is 2:5 and 9:10, respectively and number of females in village ‘B’ is 25% more than...
The ratio of number of boys and girls in a factory of 600 workers is 7:3. How many more girls should be joined to make the ratio 1:1?
Two numbers are in the ratio 5 ∶ 9. If each number is decreased by 8, the ratio becomes 1 ∶ 3. The numbers are:
Find the fourth proportion of 3, 7 and 15.
Divide 297 into two parts such that one may be to the other as 2:9.
The ratio of the monthly salary of Supriya to that of Mohini is 3 : 5. Supriya and Mohini both save 30% and 42% respectively of their monthly salaries r...
