The fourth proportional to 5, 8, 15 is:
18
24
19
20
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1
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If Rs. 782 be divided into three parts, proportional to 1/2 : 2/3 : 3/4, then the first part is:
Solution 
2
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A policeman starts to chase a thief. When the thief goes 10 steps the policeman moves 8 steps and 5 steps of the policeman are equal to 7 steps of the thief. The ratio of the speed of the policeman and the thief is = ?
Solution 
3
Discuss

Two numbers are in the ratio 3 : 5 If 9 is subtracted from each the new numbers are in the ratio 12 : 23 The smaller number is
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4
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1: 3 = 5/3: x. The value of x is?
Solution 
5
Discuss

What number has a 5:1 ratio to the number 10?
Solution 
6
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If 40% of a number is equal to twothird of another number, what is the ratio of first number to the second number?
Solution 
7
Discuss

In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?
Solution 
8
Discuss

ratio of ages of B and G is 2:3. B present age is 24. If the ages of B , G and C are in continued proportion, find C age?
Solution 
9
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If a: b = 3:4, b:c = 7:9, c:d = 5:7, find a:d?
Solution 
10
Discuss

The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?
Solution 
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