Question

012021
Subject - MATHS
QI (a) Write the following cubes in expanded form.
(b) Factories
647 - 343
Q.2 Check which of the following are solution of the equation x - 2y = 4 and which are mot:
(
20)
(B(4.0)
Q.3 If the point (3,4) lies on the graph of the equation 3y = ax + 7 find the value of a
Q.4 Show that Equal chards of a circle subtend equal angles at the centre.
Q.5 To know the opinion of the students about the subject statistics, a survey of 200 students was
Conducted. The data is recorded in the following table
Opinion Number of students
Like
135
dislike
65
find the probability that a student chosen a random
kes statistics
() does not like it
Q.6 Factories
( 2x2 + 7x +3 (ii) 6x2 + 5x - 6
Q.7 The angles of quadrilateral are in the ratio 3:59:13 find all the angles of the quadrilateral (2)
Q.8 The points scored by a kabaddi team in a series of matches are as follows.
17,2,7,27 15,5, 14,8,10, 24,48
10.8.7.18.28
Find the median of the points scored by the team.
Q.9 If a line intersects two concentric circles (circles with the same centre) with centre 0 at
A, B, C and D prove that AB = CD
o
A
Q.10 Find the mode of 14.25. 14.28.18.17.18.14.23.22.44 18
Q.11 In countries like USA and Canada, temperature is measured in Fahrenheit, whereas in
countries like India.it is measured in Celsius. Here is a linear equation that converts
Fahrenheit to Celsius
F = c +32
Draw they of the linear equation above using Celsius for x-axis and Fahrenheit for y-axis.
If the temperature is 30°c what is the temperature in Fahrenheit?
Q12. Show that the bisectors of angles of a parallelogram form a rectangle.
(3)
Q.13 Prove that the quadrilateral formed (if possible ) by the internal angle bisectors of any
quadrilateral is cyclie.
(3)​

Answer 1

Step-by-step explanation:

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