Question
The mean proportional of 9 and 16 is _____.
More Ratio and proportion Questions
- An integer 'p' is added to each of 8, 14, 30 and 40 so that the resulting numbers will be in proportion in given order only. Find the value of '(p + 4)'.
- Find the fourth proportion of (k + 3), (2k - 6), and (4k - 9). (Note: 'k' is the smallest two-digit prime number.)
- Divide Rs 1560 among A, B, and C in the ratio 2 : 3 : 8. Find B’s share.
- Two numbers are respectively 20% and 10% more than a third number. Find the ratio of two numbers.
- What must be added to each term of the ratio 3:7 so that it may equal to 5:6?
- If 'Q' is the smallest prime number, then find the fourth proportion of (Q + 6), (Q + 2) and (Q + 10).
- 5 years ago ratio of the ages of the two persons A and B was 3:1. 3 years hence the ratio of their ages will be 7:3. Find the present age of B.
- If 35% of a certain number is equal to 3/4th of another number, what is the ratio between the numbers?
- The ratio of investment of A and B is 2 : 5 and that of B and C is 3 : 7. Find the investment of B if sum of investment of A, B and C is Rs. 33600.
- Before a battle the ratio of tanks to planes in an army was 5 : 3. During the war 1000 tanks were destroyed and 800 planes were destroyed. The ratio of tan...
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