## Q- Let us find what should be subtracted from each of 23 , 30 , 57 and 78 to make the results proportional.

Chapter: Ratio and Proportion

## Q- If the first and second of the five numbers in continued proportion are 2 and 6 respectively , let us find the fifth number.

Chapter: Ratio and Proportion

## Q- Let us write by calculatinɡ what should be added to each of 6 , 15 , 20 and 43 to make the sums proportional

Chapter: Ratio and Proportion

## Q- If the two ratios a : b and c : d express mutually opposite relations , let us write what relation will be expressed by their inverse relation.

Chapter: Ratio and Proportion

## Q- Let us write how many continued proportions can be constructed by three numbers in continued proportions.

Chapter: Ratio and Proportion

## Q- Let us find the mean proportional of the followinɡ positive numbers– (x−y)² and (x+y)²

Chapter: Ratio and Proportion

## Q- Let us find the mean proportional of the followinɡ positive numbers–x³y and xy³

Chapter: Ratio and Proportion

## Q- Let us find the mean proportional of the followinɡ positive numbers–5 and 80

Chapter: Ratio and Proportion