### 1 mark Questions for board exam

1.If the point A (X,2), B (-3, 4) and C17-5) are collinear, then the value of x is:

(a) -63

(b) 63

(c) 60

(d) 60

2.The perimeter of a triangle with (0,4) ,(0,0) and (3,0) is :

(a) 5

(b) 12

(c) 11

(d) 4

3. ABC and BDE are two equilateral triangles such that D is the mid-point of BC. Ratio of the area of triangles ABC and BDE is :

(a) 2:1

(b) 1:2

(c) 4:1

(d) 1.4

4.Two A.Ps. have the same common difference. The first term of one of these is -1 and that of the other is -8. Then the difference between their 4 terms is :

(a) -1

(b) -8

(c) 7

(d) -9

5.The famous mathematician associated with finding the sum of the first 100 natural numbers is:

(a) Pythagoras

(b) Newton

(c) Gauss

(d) Euclid

6. In an A.P, if a = 1, L = 20 and Sum =399, then n is:

(a) 19

(b) 21

(c) 38

(d) 42

Now it's cleared

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