1.
If a : b : c = 3 : 4 : 7, then the ratio (a + b + c) : c is equal to

2.
The number of students in 3 classes is in the ratio 2 : 3 : 4. If 12 students are increased in each class this ratio changes to 8 : 11 : 14. The total number of students in the three classes in the beginning was

3.
A box has 210 coins of denominations one-rupee and fifty paise only. The ratio of their respective values is 13 : 11. The number of one-rupee coin is

4.
If $$\frac{2}{3}$$ of A=75% of B = 0.6 of C, then A : B : C is

5.
If A and B are in the ratio 3 : 4, and B and C in the ratio 12 : 13, then A and C will be in the ratio

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