Question

9. The length of side of a square is 5 m. Its area is _______.

(1) 25 m2

(2) 12.5 m2

(3) 6.25 m2

(4) 50 m2

10. If

5 11 8 55 5

33 3

- - æö æö æö ç÷ ç÷ ç ´ = ÷

èø èø èø

x

then find the value of x.

(1)

1

2

-

(2) –2 (3) 2 (4)

1

2

11. Each side of an equilateral triangle measures 10 m then find its area.

(1) 25 3 m2

(2) 25 2 m2

(3) 50 m2

(4) 30 m2

12. The additive inverse of –1/7 is ________.

(1) 1/7 (2) –1/7 (3) 7 (4) –7

13. The length of a rectangular field is twice its breadth. If the perimeter of the field is 72 m then

find its breadth.

(1) 18 m (2) 24 m (3) 12 m (4) 16 m

14. If x = –2 and y = 9 then find the value of x2

+ y2

+ 3xy.

(1) –21 (2) 31 (3) –41 (4) –51

15. Which of the following is Euler's formula?

(1) F + V – E = 2 (2) F + E – V = 2 (3) F – V – E = 2 (4) E + V – F = 2

16. ( )

2

1 1 2 4 - -

- =

(1) 4 (2)

1

16 (3) –4 (4)

1

16

-

17. If

7

6 3

=

-

x

, then find the value of x.

(1) –14 (2) 21 (3) 14 (4)

1

16​

Answer 1

Answer:

9)25 m square hope it helps u