A) 3 : 9
B) 6 : 10
C) 9 : 21
D) 18 : 49
Related MCQs:
- In a school having roll strength 286, the ratio of boys and girls is 8:5. If 22 more girls get admitted into the school, the ratio of boys and girls becomes:
- 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?
- In a mixture of 60 liters, the ratio of milk and water is 2:1. What amount of water must be added to make the ratio of milk and water as 1:2?
- The ratio of cost price and selling price is 4 : 5. The profit percent is?