z Demo

1. If sin(A) = 0.6, cos(A) = .

2. Every integer is a rational number.

True

False

3.
The distance between P(a,b) and Q(b,a) is ___.

$(b-a)\sqrt{2}$

$|a-b|\sqrt{2}$

$(a-b)^2\sqrt{2}$

$(a-b)\sqrt{2}$

4. Check if the following pair of linear equation is consistent:

2x-3y=8 and 4x-6y=16

Inconsistent

Consistent

5. What is the type of triangle formed by (5, -2), (6, 4) and (7, -2)?

Isosceles

Scalene

Triangle cannot be formed

Equilateral

6. In a rectangle, the length is 4 more than its breadth. The perimeter of the rectangle is 36 units. Find the rectangle’s length(L) and breadth(B).

L = 7, B = 11

L = 11, B = 7

L = 12, B = 5

L = 15, B = 11

7.
The distance between (2,3) and (4,1) is ____.

$2\sqrt{3}$

2

$3\sqrt{2}$

$2\sqrt{2}$

8. (1, 7) is a solution of the equation 2x+3y=21.

True

False

9. 10 students took part in a Mathematics quiz. If the number of girls is 4 more than the number of boys,

(a) The number of boys equals

(b) The number of girls =

10. The product of HCF(a,b) and LCM(a,b) is ________.

$a \div b$

a*b

a+b

a-b

What I Know What I Learn