Introduction: Decimal

Q.

Which of the following fraction has a terminating decimal?

1. 1/6

2. 1/3

3. 1/5

4. None of these

Q.

Fill in the blank:-

The decimals having the same number of decimals places are called ____ decimals

Q.

Write the expanded form of $10.347$ ?

Q.

Write the fractional number of $7$thousands $+2$hundreds $+3$tens $+6$ Ones $+0$ tenths $+2$hundredths.

Q.

Write each of the following as decimals: $\left(c\right)200+60+5+\frac{1}{10}$

Q. The denominator of a rational number is greater than its numerator by $8$. If numerator is increased by $17$ and denominator is decreased by $1$, the number obtained is $\frac{3}{2}$. Find rational number.

Q. When ${\left(55\right)}_{10}$ is represented in base 25 then the expression is

1. ${\left(55\right)}_{25}$
2. ${\left(25\right)}_{25}$
3. ${\left(35\right)}_{25}$
4. none of these

Q.

Write $203.67$ in the expanded form.

Q.

Convert $234$ dam into hectometre.

Q.

Convert given unlike decimals into like decimals.

$1.7,2.05,5.469$ and $72.207$

Q.

The place value of the third digit after the decimal point is

1. tenths

2. hundredths

3. thousandths

4. tens

Q.

Write the decimal number $3.39$ in expanded form .

Q.

Convert the following unlike decimals into like decimals:

$32.09867,362.908,0.0078$

Q.

Write the decimal numbers in fractional expanded form.

$23.07$

Q.

Write $0.267$ in the expanded form.

Q.

The decimal value of $\frac{4abcd}{8dcba}$ is___

Q.

Convert the following into decimals and find the sum rounded up to $2$ decimal places.

$\frac{1}{2}$, $\frac{5}{2}$, $\frac{4}{9}$, $\frac{5}{20}$, $\frac{3}{10}$, $\frac{7}{100}$, $\frac{100}{2}$, $\frac{100000}{10000000}$, $\frac{12}{48}$, $\frac{9}{99}$, $\frac{5}{25}$
Ans: ___

Q.

Convert the following sets of unlike decimals into like decimals.

$0.6,2.7,3.28,7.163$

Q. $0.0000837=8.37\times$ .

1. ${10}^4$
2. ${10}^5$
3. ${10}^{-4}$
4. ${10}^{-5}$

Q. A boy saves $Rs4.65$ daily than the least number of days in which he will be also to save an exact number of rupees is

1. $15$
2. $20$
3. $12$
4. $10$

Q.

Write in the place value chart: $9.0306$

Q.

Calculate $99\times 1.63$

Q.

Find the following product

$11.091\times 1000$

Q.

Check whether the given statement is true/false

$0.49,0.502,3.40$are like decimals

1. True
2. False

Q.

Find the following product

$1000\times 9.005$

Q.

Find the following product

$3.685\times 100$

Q.

Find the following product

$0.63\times 100$

Q.

Find the following product

$118.641\times 10$

Q. The number $3^{13}-3^{10}$ is divisible by:

1. $2$ and $3$ only.
2. $3$ and $10$ only.
3. $2,3$ and $10$ only.
4. All : $2,3$ and $13$

Q. Approximate 101/4 to two places of decimals!