Question

Section - I
1. Parallelograms on the same base and between the same parallels are
vi) Equal in area (ii) Not equal in area (iii) Equal in perimeter (iv) Not equal in perimeter
2. The ungles of a quadrilateral are in the ratio 3 : 4:5 : 6. Find the smallest of these angles.
3. Find the coordinates of point which lies on the y-axis at a distance of 5 units in the negative
direction of the y-axis is
4. If (2,0) is a solution of the linear equation 2x + 3y = k , find the value of k.
5. If x+y+z
= 9 and xy + yz + zx = 23, the value of (x + y + zt – 3ryz) = ?
6. Which of the following is a rational number?
(i)1 +13
(iir
(ii) 2V3
(iv) 0
7. If two lines intersect cach other at one point, then the vertically opposite angles are always..
8. If the area of an equilateral triangle is 81V3cm? find its height.
9. Two cubes have their volumes in the ratio 1:27. what will be the ratio of their surface areas?
10. If p(x) = x + , then find p(x) + p(-x).
11. If each observation of the data is decreased by 8 then their mean
(i) Remains the same (ii) in decreased by 8 (ii) is decreased by 5 (iv) becomes 8 times the original mean
12. It is given that the probability of winning a game is 0.7. What is the probability of losing the game?
OR
If a dice is thrown once, find the probability of getting a multiple of 2.
13. Factorize: x" - y".
14. Find the median of the Virst five natural numbers.
15. The cost of 5 pencils is equal to the cost of 2 ballpoints. Write a linear equation in two variables to represent this
statement
16. In the following figure, find the value of x and y.​

Answer 1

Answer:

1: Answer

equal In area

2: Answer

Let the all angles of quadrilateral be 3x,4x,5x,6x. Since the sum of interior angles on same side is 180, their exists one pair of parallel side.