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In an explosion, an internal impulse acts in order to propel the parts of a system (often a single object) into a variety of directions. After the explosion, the individual parts of the system (that is often a collection of fragments from the original object) have momentum.
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.
The ratio of two numbers is 3:5. If each number is decreased by 5, the ratio becomes 5:9. Find the smaller numbers.
The ratio of the two numbers is 4:9. 140% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.
6 years ago ratio of the ages of the two persons A and B was 5:2. 4 years hence the ratio of their ages will be 7:4. Find the present age of B.