Which of the following fractions is the smallest?

If A : B =8 : 15, B : C = 5 : 8 and C : D = 4 : 5, then A : D is equal to:

Hitesh is 40 years old and Ronnie is 60 years old. How many years ago was the ratio of their ages 3 : 5 ?

Girish started a business investing Rs. 45,000. After 3 months, Vijay joined him with a capital of Rs. 60,000. After another 6 months, Ankush joined them with a capital of Rs. 90,000. At the end of the year, they made a profit of Rs. 16,500. What is Girish’s share of profit ?

If a/3 = b/4 = c/7, then a + b + c /c is equal to:

Two whole numbers whose sum is 72 cannot be in the ratio:

If 15% of x = 20% of y, then x : y is:

If A : B =8 : 15, B : C = 5 : 8 and C : D = 4 : 5, then A : D is equal to:

337.62 + 8.591 + 34.4 =?

The ratio between the whole expenses on taxes for every year and the entire expenses on fuel and transports for every year is around