Question

SUBJECT : MATHEMATICS
3
1.
Verify: - (-x) = x for:
x=
5
&v=
1
2.
Verify the property x + y = y + x of rational number: X =
2
3.
Simplify the following by using suitable property. Also, name the property.
4.
Use the distributivity of multiplication of rational numbers over addition to simplify:
35 10
5. Simplify:
3223 22
5 11 15
3
19
6. Draw the number line and represent the following rational number on it :
171
7. The cost of m of wire is Rs Find the cost of one metre wire?
4
2
8. Arrange the following in ascending order :
-1 5 3 7 -6
2 3.4.2.5
9. Arrange the following in descending order :
2 5 -3 1 -3
5'-6 7 9 --5
6 30
10. Find the value of x: - =
7 X
3x-8
11. Solve for x :
1
2x
--
MI-
y-(4-3y)
12. Solve & find the value of Y:
2y-(3y+4y)
13. The sum of the two positive integers is 18. If the ratio of the integers is 5:4, then find the integers.
14. If 15 is added to 4 times a certain number, then the result obtained is 5 less from 6 times of that number.
Find the number
15. The angles of a quadrilateral are in the ratio 3:4:5:6. Fnd the measure of the angles:
16. The diagonals of a rhombus are 8 cm and 15 cm. Find its side.
17. ABCD is a square. Its diagonal AC and BD intersect each other at O. Find the measures of angle CAD
and angle DBC
А
B
C
D
3. In a parallelogram ABCD, angle D is 140°. Find the measures of angle A and Angle B.​

Answer 1

b is the answer hope it is

helep fule