Addition & Subtraction of Decimals

Q.

Find the LCM of$\frac{2}{3},\frac{4}{9},\frac{5}{6},\frac{7}{12}$

Q. There are 7 days in a week. How many weeks will make 49 days?

1. 5
2. 6
3. 7
4. 8

Q.

Find: $0.80÷5$

Q.

Subtract the sum of 0.01, 0.001, and 0.0001 from 1.1.

1. 1.0889

2. 1.0089

3. 1.8889

4. 1.0009

Q.

Find: $2.71\times 5$.

Q.

Find the value.

$1+\frac{1}{1000}$ = ____

1. 1.01

2. 1.001

3. 1.0001

4. 1.1

Q.

Subtract 2314 g from 45 kg.

1. 2269 kg

2. 42.686 kg

3. 6814 kg

4. 4.268 kg

Q.

Ravi and Raju measured the length of their pencils, Ravis pencil was $7cm$ and $5mm$ long and Rajus pencil was $8cm$ and $3mm$ long. Write the length of Ravis and Rajus pencil in $cm$ using decimal.

Q.

Convert the fractions into a decimal number: $7\frac{3}{40}$

Q.

Ekta earns ₹ $3000$ in $10$ days. How much will she earn in $30$ days?

Q.

Convert $\frac{7}{8}$ into decimal form.

1. 1.25

2. 3.75

3. 0.875

4. 8.75

Q.

Raju adds water to milk before selling it. He sells a total of 40.32L of milk every day, in which 25.03L is water. Find the amount of pure milk.

1. 17.86L

2. 16.45L

3. 15.29L

4. 14.69L

Q.

Subtract 2.63 from 4.25.

1. 1.62

2. 0.62

3. 2.42

4. 6.88

Q.

What is the distance covered to travel from 'a' to 'c'? ( 'd' is the midpoint of ab)

1. 7.79km

2. 10.32km

3. 7.31km

4. 12.95km

Q.

Kareena has $20$ $\mathrm{Rs}$ with her . She bought a chocolate for $8.40$ $\mathrm{Rs}$ and a pencil for $1.20$$\mathrm{Rs}$ . Find the balance amount left with Kareena

Q.

How much is $10$ kg in pounds?

Q.

Subtract 7.35 from 11.004.

1. 3.445

2. 4.445

3. 3.655

4. 3.654

Q.

$1.452+1.3=$ ___

1. 2.572

2. 2.752

3. 3.752

4. 3.725

Q.

Here is a table which gives the information about the total rainfall for several months compared to the average monthly rains of a town. Write each decimal in the form of rational number p/q.

Month	Above/Below normal (in cm)
May	2.6924
June	0.6096
July	-6.9088
August	-8.636

Q. If 3 cookies are packed in one box, then cookies can be packed in 5 boxes.

1. 5
2. 10
3. 15

Q. The decimal equivalent of the binary number $(11010.101{)}_2$ is

1. $26.625$
2. $9.625$
3. $25.265$
4. $26.265$

Q.

$4.7÷1000=$……………..

Q. Subract the coloured part and write the answer in decimal form.

1. 0.1

Q.

$60.07-5.07=\_\_\_\_\_\_\_$

1. $55$

2. $54$

3. $54.10$

4. $55.10$

Q.

Subtract $:$ $\mathrm{Rs}$ $6.35$ from $\mathrm{Rs}$ $9.40$

Q.

Write number names for the following decimal numbers $\left(c\right)0.987$

Q. What is the value of $3.2+5.67$ ?

1. 8.69
2. 9.87
3. 9.89
4. 8.87

Q. A basketball hoop is at a height of 9.45 feet in a playground. Athil can jump to a height of 7.56 feet. How far away is he from the basketball hoop when he jumps?

1. 2.11 feet
2. 1.89 feet
3. 2.89 feet
4. 1.11 feet

Q.

39.7 + 25.32 + 87.65 + 3.43 = ___________

1. 156.1

2. 157.1

3. 158.13

4. 154.13

Q.

Find the sum.

$\frac{256}{100}+\frac{357}{10}+\frac{63}{100}$ = ______

1. 38.89

2. 36.586

3. 36.584

4. 38.87