English Medium कक्षा ९ - CBSE Question Bank Solutions for Mathematics

The diagonals of a parallelogram ABCD intersect at O. If ∠BOC = 90° and ∠BDC = 50°, then ∠OAB =

Diagonals of a quadrilateral ABCD bisect each other. If ∠A= 45°, then ∠B =

ABCD is a parallelogram and E is the mid-point of BC. DE and AB when produced meet at F. Then, AF =

On plotting the points O(0, 0), A(3, 0), B(3, 4), C(0, 4) and joining OA, AB, BC and CO which of the following figure is obtained?

The decimal expansion of the number `sqrt(2)` is ______.

The value of 1.999... in the form `p/q`, where p and q are integers and q ≠ 0, is ______.

`2sqrt(3) + sqrt(3)` is equal to ______.

`sqrt(10) xx sqrt(15)` is equal to ______.

If `sqrt(2) = 1.4142`, then `sqrt((sqrt(2) - 1)/(sqrt(2) + 1))` is equal to ______.

There are numbers which cannot be written in the form `p/q, q ≠ 0, p, q` both are integers.

Express the following in the form `p/q`, where p and q are integers and q ≠ 0:

0.2

Express the following in the form `p/q`, where p and q are integers and q ≠ 0:

0.888...

Express the following in the form `p/q`, where p and q are integers and q ≠ 0:

`5.bar2`

Express the following in the form `p/q`, where p and q are integers and q ≠ 0:

`0.bar001`

Express the following in the form `p/q`, where p and q are integers and q ≠ 0:

0.2555...

Express the following in the form `p/q`, where p and q are integers and q ≠ 0:

`0.1bar34`

Express the following in the form `p/q`, where p and q are integers and q ≠ 0:

0.00323232...

Express the following in the form `p/q`, where p and q are integers and q ≠ 0:

0.404040...

Show that 0.142857142857... = `1/7`

Express `0.6 + 0.bar7 + 0.4bar7` in the form `p/q`, where p and q are integers and q ≠ 0.