When a particular number is subtracted from each of 7, 9, 11 and 15, the resulti

Question

When a particular number is subtracted from each of 7, 9, 11 and 15, the resulting numbers are in proportion. The number to be subtracted is -

Options:

A . 1

B . 2

C . 3

D . 5

Answer: Option C

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Question 1. The ratio of milk to water in 80 litres of a mixture is 7 : 3. The water (in litres) to be added to it to make the ratio....it to make the ratio 2 : 1 is -

Question 2. A mixture contains milk and water in the ratio 5 : 1. On adding 5 litres of water, the ratio of milk and water becomes 5....The quantity of milk in the mixture is = ?

Question 3. Two numbers are in the ratio of 3 : 5. If 9 is subtracted from each, they are in the ratio of 12 : 23. What is the large....ratio of 12 : 23. What is the large number?

Question 4. The sides of a triangle are in the ratio of 7 : 9 : 12. The difference between the length of largest and smaller sides i....The length of the largest sides would be = ?

Question 5. The three successive angles of a cycle quadrilateral are in the ratio 1 : 3 : 4, find the measure of the fourth angle ?....: 4, find the measure of the fourth angle ?

Question 6. In a certain company, the ratio of the number of managers to the number of production - line workers is 5 to 72. If 8 ad....to 74. How many managers does the company have ?

Question 7. What number has to be added to the terms 3 : 5 to make the ratio 5 : 6 ?....

Question 8. The ratio of the number of ladies to that of gents at a party was 3 : 2. When 20 more gents joined the party, the ratio ....The number of ladies present at the party was -

Question 9. The current ages of Sonali and Monali are in the ratio 5 : 3. Five years from now, their ages will be in the ratio 10 : ....10 : 7. Then Monali's current age is = ?

Question 10. If $$\frac{a}{b}{\text{ = }}\frac{c}{d}{\text{ = }}\frac{e}{f}{\text{,}}$$ then each of them is equal to = ?....

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