The difference between two whole numbers is 110 and the numbers are in ratio 2 : 7. Find the sum of the two numbers.

Find the smallest integer number which, when subtracted from both the numbers in the ratio 5 : 6, is less than the ratio 17 : 22.

Find two such numbers whose middle proportional is 18 and third proportional is 144.

The number of boys in a class is 16% more than the girls, what is the respective ratio of the number of boys to the number of girls in the class?

In what ratio should a grocer mix tea of ₹ 60 per kg with tea of 65 per kg so that by selling the mixture at the rate of ₹ 68-20 per kg, he should make a profit of 10%

The ratio of the cost of table and chair is 9 : 4. The cost of the table is Rs 1250 more than the cost of the chair. What is the cost of the chair?

The ratio of the number of boys and girls in the parade of students of a school is 9 : 7 respectively and the total number of students is 256. Find the number of girls?

The cost of school bags and shoes are in the ratio 7 : 5. The cost of a school bag is ₹ 200 more than that of a shoe. So what is the price of the shoes?