If a : b = 20:5 then find out the value of (13a-9b): (11a-7b)?
Tag: ratio
Six years ago, the ratio of the ages of Vivan and Saroj was 6:5. Four years hence, the ratio of their ages will be 11:10. What is Saroj’s age at present?
Six years ago, the ratio of the ages of Vivan and Saroj was 6:5. Four years hence, the ratio of their ages will be 11:10. What is Saroj’s age at present?
A is two years older than B who is twice as old as C. The total of the ages of A, B and C is 27. How old is B?
A is two years older than B who is twice as old as C. The total of the ages of A, B and C is 27. How old is B?
A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A’s share is Rs. 855, the total profit is :
A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A’s share is Rs. 855, the total profit is :
The ratio of the sum of two numbers and their difference is 5:1. The ratio of the greater number to the smaller number is___________
The ratio of the sum of two numbers and their difference is 5:1. The ratio of the greater number to the smaller number is__________