Ratio and Proportion - Questions and Answers

1. What number should be subtracted from each of the numbers 54, 71, 75 and 99 so that the remainders may be proportional :

2. Out of the ratios 7 : 15, 15 : 23, 17 : 25 and 21 : 29, the smallest one is :

3. In a ration which is equal to 5 : 8, if the antecedent is 40, then consequent is :

4. Two number are in the ratio 3:15 If each number is increased by 10, the ratio becomes 5:7. The numbers are:

5. If a carton containing a dozen mirrors is dropped, which of the following cannot be the ratio of broke mirrors to unbroken mirrors?