E M B I B E

MATHEMATICS Textbook for Class VIII>Chapter 13 - Direct and Inverse Proportions>EXERCISE>Q 5

HARD

8th Madhya Pradesh Board

IMPORTANT

Earn 100

A photograph of a bacteria enlarged $50,000$ times attains a length of $5 c m$ as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged $20,000$ times only, what would be its enlarged length?

Important Questions on Direct and Inverse Proportions

MEDIUM

8th Madhya Pradesh Board

IMPORTANT

MATHEMATICS Textbook for Class VIII>Chapter 13 - Direct and Inverse Proportions>EXERCISE>Q 6

In a model of a ship, the mast is

9 c m

high, while the mast of the actual ship is

12 m

high. The length of the actual ship is

28 m

, if the model ship is

k cm

, then find the value of

k .

MEDIUM

8th Madhya Pradesh Board

IMPORTANT

MATHEMATICS Textbook for Class VIII>Chapter 13 - Direct and Inverse Proportions>EXERCISE>Q 7

Suppose

2 kg

of sugar contains

9 \times 10^{6}

crystals. If there are

m \times 10^{7}

sugar crystals in

5 kg

of sugar, then find the value of

m

.

MEDIUM

8th Madhya Pradesh Board

IMPORTANT

MATHEMATICS Textbook for Class VIII>Chapter 13 - Direct and Inverse Proportions>EXERCISE>Q 7

Suppose

2 kg

of sugar contains

9 \times 10^{6}

crystals. If there are

m \times 10^{n}

sugar crystals in

1.2 kg

of sugar, then find the value of

m + n

.

MEDIUM

8th Madhya Pradesh Board

IMPORTANT

MATHEMATICS Textbook for Class VIII>Chapter 13 - Direct and Inverse Proportions>EXERCISE>Q 8

Rashmi has a road map with a scale of

1 c m

representing

18 k m

. She drives on a road for

72 k m

. What would be her distance covered in the map

(in cm)

?

MEDIUM

8th Madhya Pradesh Board

IMPORTANT

MATHEMATICS Textbook for Class VIII>Chapter 13 - Direct and Inverse Proportions>EXERCISE>Q 9

A

5 m 60 c m

high vertical pole casts a shadow

3 m 20 c m

long. If at the same time the length of the shadow cast by another pole

10 m 50 c m

high is

x m

, then find the value of

x

.

MEDIUM

8th Madhya Pradesh Board

IMPORTANT

MATHEMATICS Textbook for Class VIII>Chapter 13 - Direct and Inverse Proportions>EXERCISE>Q 9

A

5 m 60 c m

high vertical pole casts a shadow

3 m 20 c m

long. Find at the same time the height of a pole (in

m

) that casts a shadow

5 m

long.

MEDIUM

8th Madhya Pradesh Board

IMPORTANT

MATHEMATICS Textbook for Class VIII>Chapter 13 - Direct and Inverse Proportions>EXERCISE>Q 10

A loaded truck travels

14 km

in

25 minutes .

If the speed remains the same, it can travel

k km

in

5 hours

, then find the value of

k .

EASY

8th Madhya Pradesh Board

IMPORTANT

MATHEMATICS Textbook for Class VIII>Chapter 13 - Direct and Inverse Proportions>TRY THESE

Observe the following table and check whether the pair of variables ( $x$ and $y$ ) are in inverse variation.

$x$	$50$	$40$	$30$	$20$
$y$	$5$	$6$	$7$	$8$

Learn and Prepare for any exam you want !

|

|

|

|

|

|

|

|

A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged 20,000 times only, what would be its enlarged length?

Important Questions on Direct and Inverse Proportions

Learn and Prepare for any exam you want !

A photograph of a bacteria enlarged $50,000$ times attains a length of $5 c m$ as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged $20,000$ times only, what would be its enlarged length?