Question

ratio of 5km 400 m to 6 k.m​

Answer 1

Step-by-step explanation:

GiventhatABCDisaparallelogram.

Weknowthatinaparallelogramoppositeanglesareequal.

Sofromthegivenfigure,

∠B=∠D⇒6x+3y−8=7y⇒6x−4y=8⇒x=

6

8+4y

−−−−(1)

Alsoweknowthatadjacentanglesinaparallelogramaresupplementary.

So∠A+∠D=180

o

⇒4x+20+6x+3y−8=180

o

⇒10x+3y=168−−−−(2)

Using1in2,

10(

6

8+4y

)+3y=168⇒80+40y+18y=168×6⇒58y=1008−80⇒58y=928⇒y=

58

928

⇒y=16

o

Usingy=16in1,

x=

6

8+4×16

⇒x=

6

8+64

⇒x=

6

72

⇒x=12

o

Sox=12

o

&y=16

o

Answer 2

ASSERTION AND REASON

DIRECTION: Mark the option which is most suitable:

(a) If both assertion and reason are true and reason is the correct explanation of assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of assertion.

(c) If assertion is true but reason is false.

(d) If both assertion and reason are false.

Assertion :-In 1857 first war of Indian independence happened

Reason :-Mangal Pandey was hanged to death and sepoy mutiny started

1. A

2. B

3. C

4. D