Selina solutions for Mathematics [English] Class 6 chapter 15 - Decimal Fractions [Latest edition]

Write the number of decimal places of the following:

7.03

Write the number of decimal places of the following:

0.509

Write the number of decimal place of the following:

146.2

Write the number of decimal places of the following:

0.0065

Write the number of decimal places of the following:

8.03207

Convert the given unlike decimal fractions into like decimal fractions:

1.36, 239.8 and 47.008

Convert the given unlike decimal fractions into like decimal fractions:

507.0752, 8.52073 and 0.808

Convert the given unlike decimal fractions into like decimal fractions:

459.22, 7.03093 and 0.200037

Change the following fraction to a decimal fraction:

`7/10`

Change the following fraction to a decimal fraction:

`47/10`

Change the following fraction to a decimal fraction:

`343/100`

Change the following fraction to a decimal fraction:

`3/10^3`

Change the following fraction to a decimal fraction:

`7295/10^5`

Change the following fraction to a decimal fraction:

`289/10^6`

Change the following fraction to a decimal fraction:

95-hundredths

Convert into a decimal fraction:

`3/4`

Convert into a decimal fraction:

`3/40`

Convert into a decimal fraction:

`1/125`

Convert into a decimal fraction:

`7/25`

Change the given decimals fraction to fraction in their lowest term:

0.05

Change the given decimals fraction to fraction in their lowest term:

3.95

Change the given decimals fraction to fraction in their lowest term:

4.005

Change the given decimals fraction to fraction in their lowest term:

0.876

Change the given decimals fraction to fraction in their lowest term:

50.06

Change the given decimals fraction to fraction in their lowest term:

0.01075

Change the given decimals fraction to fraction in their lowest term:

4.8806

Add the following:

0.243, 2.47 and 3.009

Add the following:

0.0736, 0.6095 and 0.9107

Add the following:

1.01, 257 and 0.200

Add the following:

18, 200.35, 11.72 and 2.3

Add the following:

0.586, 0.0586 and 0.00586

Find the value of:

6.8 – 2.64

Find the value of:

2 – 1.0304

Find the value of:

0.1 – 0.08

Find the value of:

0.83 – 0.342

Subtract:

0.43 from 0.97

Subtract:

2.008 from 22.1058

Subtract:

0.18 from 0.6

Subtract:

1.002 from 17

Subtract:

83 from 92.05

Simplify:

3.5 – 2.43 + 0.075

Simplify:

7.84 + 0.3 – 4.016

Simplify:

2.987 – 1.25 – 0.54

Simplify:

52.9 – 231.666 + 204

Simplify:

8.57 – 6.4432 – 1.70 + 0.683

From the sum of 75.75 and 4.9 subtract 28.465.

Subtract the sum of 8.14 and 12.9 from 32.7.

Subtract the sum of 34.27 and 159.8 from the sum of 20.937 and 200.6.

From the sum of 2.43 and 4.349 subtract the sum of 0.8 and 3.15.

By how much does the sum of 18.0495 and 34.9644 exceed the sum of 7.6752 and 24.876?

What least number must be added to 89.376 to get 1000?

Multiply:

5.6 and 8

Multiply:

38.46 and 9

Multiply:

0.943 and 62

Multiply:

0.0453 and 35

Multiply:

7.5 and 2.5

Multiply:

4.23 and 0.8

Multiply:

83.54 and 0.07

Multiply:

0.636 and 1.83

Multiply:

6.4564 and 1000

Multiply:

0.076 and 100

Evaluate:

0.0008 × 26

Evaluate:

0.038 × 95

Evaluate:

1.2 × 2.4 × 3.6

Evaluate:

0.9 × 1.8 × 0.27

Evaluate:

1.5 × 1.5 × 1.5

Evaluate:

0.025 x 0.025

Evaluate:

0.2 × 0.002 × 0.001

Multiply the following number by 10, 100 and 1000:

3.9

Multiply the following number by 10, 100 and 1000:

2.89

Multiply the following number by 10, 100 and 1000:

0.0829

Multiply the following number by 10, 100 and 1000:

40.3

Multiply the following number by 10, 100 and 1000:

0.3725

Evaluate:

8.64 ÷ 8

Evaluate:

0.0072 ÷ 6

Evaluate:

20.64 ÷ 16

Evaluate:

1.602 ÷ 15

Evaluate:

13.08 ÷ 4

Evaluate:

3.204 ÷ 9

Evaluate:

3.024 ÷ 12

Evaluate:

5.15 ÷ 5

Evaluate:

3 ÷ 5

Divide the following number by 10, 100 and 1000:

49.79

Divide the following number by 10, 100 and 1000:

0.923

Divide the following number by 10, 100 and 1000:

0.0704

Evaluate:

9.4 ÷ 0.47

Evaluate:

6.3 ÷ 0.09

Evaluate:

2.88 ÷ 1.2

Evaluate:

8.64 ÷ 1.6

Evaluate:

37.188 ÷ 3.6

Evaluate:

16.5 ÷ 0.15

Evaluate:

3.2 ÷ 0.005

Evaluate:

3.24 ÷ 0.0016

Fill in the blank with 10, 100, 1000, or 10000, etc.:

7.85 × ………….. = 78.5

Fill in the blank with 10, 100, 1000, or 10000, etc.:

0.442 × ………. = 442

Fill in the blank with 10, 100, 1000, or 10000, etc.:

0.0924 × ………… = 9.24

Fill in the blank with 10, 100, 1000, or 10000, etc.:

0.00187 × …………. = 18.7

Fill in the blank with 10, 100, 1000, or 10000, etc.:

2.6 × …………. = 2600

Fill in the blank with 10, 100, 1000, or 10000, etc.:

0.08 × ………… = 80

Fill in the blank with 10, 100, 1000, or 10000, etc.:

96.7 ÷ ………….. = 0.967

Fill in the blank with 10, 100, 1000, or 10000, etc.:

5.2 ÷ ……………. = 0.52

Fill in the blank with 10, 100, 1000, or 10000, etc.:

33.15 ÷ ……………….. = 0.03315

Fill in the blank with 10, 100, 1000, or 10000, etc.:

0.7 ÷ ............... = 0.007

Fill in the blank with 10, 100, 1000, or 10000, etc.:

0.00672 × ……… = 67.2

Evaluate:

9.32 – 28.54 ÷ 10

Evaluate:

0.234 × 10 + 62.8

Evaluate:

3.06 × 100 – 889.4 ÷ 100

Evaluate:

2.86 × 7.5 + 45.4 ÷ 0.2

Evaluate:

97.82 × 0.03 – 0.54 ÷ 0.3

Express in paise:

Rs. 8.40

Express in paise:

Rs. 0.97

Express in paise:

Rs. 0.09

Express in paise:

 Rs. 62.35

Express in rupee:

55 P

Express in rupee:

8 P

Express in rupee:

695 P

Express in rupee:

3279 P

Express in centimetre (cm):

6 m

Express in centimetre (cm):

8.54 m

Express in centimetre (cm):

3.08 m

Express in centimetre (cm):

0.87 m

Express in centimetre (cm):

0.03 m

Express in centimetre (cm):

25.04 m

Express in metre (m):

250 cm

Express in metre (m):

2328 cm

Express in metre (m):

86 cm

Express in metre (m):

4 cm

Express in metre (m):

107 cm

Express in gramme (gm):

6 kg

Express in gramme (gm):

5.543 kg

Express in gramme (gm):

0.078 kg

Express in gramme (gm):

3.62 kg

Express in gramme (gm):

4.5 kg

Express in kilogram (kg):

7000 gm

Express in kilogram (kg):

6839 gm

Express in kilogram (kg):

445 gm

Express in kilogram (kg):

8 gm

Express in kilogram (kg):

93 gm

Express in kilogram (kg):

13545 gm

Add (giving answer in rupees):

Rs. 5.37 and Rs. 12

Add (giving answer in rupees):

Rs. 24.03 and 532 paise

Add (giving answer in rupees):

73 paise and Rs. 208

Add (giving answer in rupees):

8 paise and Rs. 1536

Subtract:

Rs. 35.74 from Rs. 63.22

Subtract:

286 paise from Rs. 7.02

Subtract:

Rs. 0.55 from 121 paise

Add (giving the answer in metre):

2.4 m and 1.78 m

Add (giving the answer in metre):

848 cm and 2.9 m

Add (giving the answer in metre):

0.93 m and 64 cm

Subtract (giving the answer in metre):

5.03 m from 19.6 m

Subtract (giving the answer in metre):

428 cm from 1033 m

Subtract (giving the answer in metre):

0.84 m from 122 cm

Add (giving the answer in kg):

2.06 kg and 57.864 kg

Add (giving the answer in kg):

778 gm and 1.939 kg

Add (giving the answer in kg):

0.065 kg and 4023 gm

Subtract (giving the answer in kg):

9.462 kg from 15.6 kg

Subtract (giving the answer in kg):

4317 gm from 23 kg

Subtract (giving the answer in kg):

0.798 kg from 4169 gm

The cost of a fountain pen is Rs. 13.25. Find the cost of 8 such pens.

The cost of 25 identical articles is Rs. 218.25. Find the cost of one article.

The length of an iron rod is 10.32 m. The rod is divided into 4 pieces of equal lengths. Find the length of each piece.

What will be the total length of cloth required to make 5 shirts, if 2.15 m of cloth is needed for each shirt?

Find the distance walked by a boy in `1 1/2` hours if he walks at 2.150 km every hour.

83 note-books are sold at Rs. 15.25 each. Find the total money (in rupees) obtained by selling these note-books.

If the length of one bed-cover is 2.1 m, find the total length of 17 bed-covers.

A piece of rope is 10 m 67 cm long. Another rope is 16 m 32 cm long. By how much is the second rope longer than the first one?

12 cakes of soap together weigh 5 kg and 604 gm. Find the weight of
(i) One cake in both kg and gramme
(ii) 5 cakes in kg.

Three strings of lengths 50 m 75 cm; 68 m 58 cm and 121 m 3 cm, respectively, are joined together to get a single string of greatest length, And the length of the single string obtained.
If this single string is then divided into 12 equal pieces; find the length of each piece.

Write the following decimal numbers in ascending order of value 5.054, 5.250, 5.245 and 5.0543

Write the following decimal numbers in ascending order of value 62.443, 62.434, 62.344 and 62.444

What number added to 0.805 gives 1?

What must be subtracted from 3 to get 2.462?

By how much should 83.407 be decreased to get 27.78?

Two articles weight 32.674 kg and 40.038 kg respectively. Find :
(i) the total weight of both the articles.
(ii) the difference in the weights of both the articles.

By how much does the sum of 34.07 and 15.239 exceed the sum of 16.40 and 27.08?

The cost of 1 kg of fruit is Rs. 27.50. What is the cost of 3.6 kg of fruit?

Evaluate:

0.8 × 0.8 × 0.8

Evaluate:

0.8 ÷ 0.8 × 0.8

Evaluate:

0.8 × 0.8 ÷ 0.8

Evaluate:

0.8 ÷ 0.8 of 0.8

Evaluate:

0.8 of 0.8 ÷ 0.8

Evaluate 3.5 × (4.2 + 2.6) and 3.5 × 4.2 + 3.5 × 2.6 Are equal?

Evaluate (3.87 – 2.09) × 2.4 and 3.87 × 2.4 – 2.09 × 2.4 are equal?

A 4.85 m long pole is divided into 5 equal parts. Find the length of each part.

A car can run 16.8 km consuming one litre of petrol. How many kilometres will it run on 3.7 litres of petrol?

A certain amount of money is distributed among 28 persons. If each person gets Rs. 62.45 and Rs. 5.78 is left, find the original amount of money

Complete the following table:

The difference between the two numbers is 47.364. If the smaller number is 31.855; find the bigger one.