English Medium Class 9 - CBSE Question Bank Solutions

In the given figure, AB and CD are parallel lines and transversal EF intersects them at Pand Q respectively. If ∠APR = 25°, ∠RQC = 30° and ∠CQF = 65°, then

The base BC of triangle ABC is produced both ways and the measure of exterior angles formed are 94° and 126°. Then, ∠BAC =

If the bisectors of the acute angles of a right triangle meet at O, then the angle at Obetween the two bisectors is

In a ΔABC, ∠A = 50° and BC is produced to a point D. If the bisectors of ∠ABC and ∠ACDmeet at E, then ∠E =

The side BC of ΔABC is produced to a point D. The bisector of ∠A meets side BC in L. If ∠ABC = 30° and ∠ACD = 115°, then ∠ALC = ______.

In the given figure, if l₁ || l₂, the value of x is

Construct a frequency polygon for the following distribution:

Represent the following number on the number line:

7

Represent the following number on the number line:

7.2

Represent the following number on the number line:

`(-3)/2`

Represent the following number on the number line:

`(-12)/5`

Locate `sqrt(5), sqrt(10)` and `sqrt(17)` on the number line.

Represent geometrically the following number on the number line:

`sqrt(4.5)`

Represent geometrically the following number on the number line:

`sqrt(5.6)`

Represent geometrically the following number on the number line:

`sqrt(8.1)`

Represent geometrically the following number on the number line:

`sqrt(2.3)`

If x + 1 is a factor of the polynomial 2x² + kx, then the value of k is ______.

x + 1 is a factor of the polynomial ______.

One of the factors of (25x² – 1) + (1 + 5x)² is ______.

The factorisation of 4x² + 8x + 3 is ______.