Check whether the following form a proportion ?write middle terms and extremes where the ratios form a proportion.
15 cm ,1m and rs.45 rs,300

Check whether the following numbers form Pythagorean triplet : 8, 15, 17.

Write the following rationals in decimal form using Theorem 1.4 (ii) 15/16

On a Grid paper, draw five squares of different sizes. Write the following information in a tabular form. Find whether the length of a side is in direct proportion to: the area of the square.

On a Grid paper, draw five squares of different sizes. Write the following information in a tabular form. Find whether the length of a side is in direct proportion to: the area of the square.

On a Grid paper, draw five squares of different sizes. Write the following information in a tabular form. Find whether the length of a side is in direct proportion to: the perimeter of the square.

On a Grid paper, draw five squares of different sizes. Write the following information in a tabular form. Find whether the length of a side is in direct proportion to: the perimeter of the square.

Which of the following forms an AP? If they form AP, then write next two terms. (ii) 1, -1, -3 ,-5 , ...........

Form a pair of linear equations for each of the following problems and find their solution The ratio of incomes of two persons is 9:7 and the ratio of their expenditures is 4:3 . If each of them manages to save Rs 2000 per month, find their monthly income

In triangle ABC, AB= 2.2 cm, BC =1.5 cm and AC= 2.3 cm. In triangle XYZ, XY=4.4 cm, YZ=3 cm and XZ =4.6 cm, Find the ratio AB: XY, BC: YZ, AC: XZ Are the lengths of corresponding sides of A ABC and XYZ are in proportion? [Hint: Any two triangles are said to be in proportion, if their corresponding sides are in the same ratio]

Which of the following are A.Ps? If they form A.P. find the common difference 'd' and write three more terms. 1,4,9,16,…