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 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

6) The salaries of A, B and C are in the ratio 1:3:4. If the salaries are increased by 5%, 10% and 15% respectively, then the increased salaries will be in the ratio

7) If A:B = 2:3 and B:C = 4:5 then A:B:C is

8) If two times A is equal to three times of B and also equal to four times of C, then A:B:C is

9) Two numbers are in ratio 4:5 and their LCM is 180. The smaller number is

10) If A:B = 2:3, B:C = 4:5 and C:D = 5:9 then A:D is equal to: