Fractions and Decimals Test

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Fractions and Decimals Test - 28

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Weekly Quiz Competition

Question 1
1 / -0

Solve : $$25 +\displaystyle{\frac{3}{100}}+\displaystyle{\frac{4}{1000}}=$$ ?

A
$$25.34$$

B
$$25.304$$

C
$$25.034$$

D
$$25.0034$$

Solution

The value of $$25 $$ $$+$$ $$\displaystyle{\frac{3}{100}}$$ $$+$$ $$\displaystyle{\frac{4}{1000}}$$ is
$$=25+0.03+0.004$$
$$= 25.034$$
Question 2
1 / -0

Which of the following is a proper fraction ?

A

B

C

D
All the above

Solution

Fraction is proper if the denominator is greater than the numerator.
Fraction is improper if the numerator is greater than or equal to the denominator.
fig A = $$\cfrac{4}{8}$$ = proper fraction
fig B = $$\cfrac{6}{9}$$ = proper fraction
fig C = $$\cfrac{1}{4}$$ = proper fraction
Question 3
1 / -0

Example for a proper fraction is

A
$$\displaystyle \frac {28}{13}$$

B
$$\displaystyle \frac {11}{23}$$

C
$$\displaystyle \frac {16}{9}$$

D
$$\displaystyle \frac {14}{3}$$

Solution

Proper fraction is a fraction in which the numerator is less than the denominator, for example $$\dfrac {11}{23}$$.

Hence, $$\dfrac {11}{23}$$ is a proper fraction.
Question 4
1 / -0

If $$\displaystyle \frac{547.527}{0.0082}=x $$, then the value of $$\displaystyle \frac{547527}{82}$$ is

A
$$\displaystyle \frac{x}{10}$$

B
$$10x$$

C
$$100x$$

D
$$\displaystyle \frac{x}{100}$$

Solution

Given, $$\displaystyle \frac{547.527}{0.0082}=x $$

$$\displaystyle \Rightarrow \frac{547527\times 10000}{82\times 1000}=x $$

$$\displaystyle \Rightarrow \frac{5475270}{82}=x $$

$$\displaystyle \Rightarrow \frac{5475270}{82\times10}=\frac{x}{10} $$

$$\displaystyle \Rightarrow \frac{547527}{82}=\frac{x}{10} $$

Hence, $$Op-A$$ is correct.
Question 5
1 / -0

Example for an improper fraction is

A
$$\displaystyle \frac {25}{26}$$

B
$$\displaystyle \frac {12}{13}$$

C
$$\displaystyle \frac {15}{14}$$

D
$$\displaystyle \frac {19}{20}$$

Solution

Improper fraction is a fraction in which the numerator is greater than the denominator.

Hence, $$\dfrac {15}{14}$$ is an improper fraction.
Question 6
1 / -0

The result of $$(54.327\times 357.2\times 0.0057)$$ is the same as

A
$$5.4327\times 3.572\times 5.7$$

B
$$5.4327\times 3.572\times 0.57$$

C
$$54327\times 3572\times 0.0000057$$

D
$$5432.7\times 3.572\times 0.000057$$

Solution

$$54.327 \times 357.2 \times 0.0057 = \cfrac {54327}{1000} \times \cfrac {3572}{10} \times \cfrac {57}{10000}$$
$$= \cfrac {54327}{1000} \times \cfrac {10}{10} \times \cfrac {3572}{10} \times \cfrac {100}{100} \times \cfrac {57}{10000} \times \cfrac {1000}{1000}$$
$$= \cfrac {54327}{10000} \times 10 \times \cfrac {3572}{1000} \times 100 \times \cfrac {57}{10000} \times \cfrac {1000}{1000}$$

$$= 5.4327 \times 3.572 \times 5.7 \times 10 \times 100 \times \cfrac {1}{1000}$$
$$= 5.4327 \times 3.572 \times 5.7$$

Hence, option A is correct.
Question 7
1 / -0

$$\displaystyle 4\frac{7}{11}$$ = $$\displaystyle \frac{?}{11}$$

A
$$44$$

B
$$7$$

C
$$51$$

D
$$28$$

Solution

$$\displaystyle 4 \frac{7}{11} = \frac{4 \times 11 + 7}{11} = \frac{51}{11}$$
Question 8
1 / -0

Expanded form of $$78.059$$ is

A
$$78$$ + $$\displaystyle{\frac{5}{10}}$$ + $$\displaystyle{\frac{9}{100}}$$

B
$$70 + 8 + 0 +$$ $$\displaystyle{\frac{5}{100}}$$ + $$\displaystyle{\frac{9}{1000}}$$

C
$$70 + 8 +$$ $$\displaystyle{\frac{5}{10}}$$ + $$\displaystyle{\frac{9}{100}}$$

D
none

Solution

Expanded form of $$78.059$$ is $$70+ 8+\displaystyle \frac { 0 }{ 10 } +\frac { 5 }{ 100 } +\frac { 9 }{ 1000 } $$
Question 9
1 / -0

If $$\displaystyle\frac { 1 }{ 6.198 } = 0.16134$$, then the value of $$\displaystyle\frac { 1 }{ 0.0006198 } $$ is.

A
$$16134$$

B
$$1613.4$$

C
$$0.16134$$

D
$$0.016134$$

Solution

$$\displaystyle\frac { 1 }{ 0.0006198 } = \displaystyle\frac { 1 }{ \displaystyle\frac { 6.198 }{ 10000 } } \\= \displaystyle\frac { 10000 }{ 6.198 } \\=10000\times\dfrac{1}{6.198}\\= 10000 \times 0.16134 \\= 1613.4$$
Question 10
1 / -0

$$\displaystyle \frac { 2 }{ 4 }$$ of a rupee = .......paise

A
20

B
50

C
40

D
10

Solution

1 rupee=100 paise
so $$\dfrac{2}{4}$$ of a rupee=$$\dfrac{2}{4}\times100=50$$ paise

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Re-Attempt Weekly Quiz Competition

Fractions and Decimals Test - 28

Result

Fractions and Decimals Test - 28

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SHARING IS CARING

Question 1

$$25.34$$

$$25.304$$

$$25.034$$

$$25.0034$$

Solution

Question 2

All the above

Solution

Question 3

$$\displaystyle \frac {28}{13}$$

$$\displaystyle \frac {11}{23}$$

$$\displaystyle \frac {16}{9}$$

$$\displaystyle \frac {14}{3}$$

Solution

Question 4

$$\displaystyle \frac{x}{10}$$

$$10x$$

$$100x$$

$$\displaystyle \frac{x}{100}$$

Solution

Question 5

$$\displaystyle \frac {25}{26}$$

$$\displaystyle \frac {12}{13}$$

$$\displaystyle \frac {15}{14}$$

$$\displaystyle \frac {19}{20}$$

Solution

Question 6

$$5.4327\times 3.572\times 5.7$$

$$5.4327\times 3.572\times 0.57$$

$$54327\times 3572\times 0.0000057$$

$$5432.7\times 3.572\times 0.000057$$

Solution

Question 7

$$44$$

$$7$$

$$51$$

$$28$$

Solution

Question 8

$$78$$ + $$\displaystyle{\frac{5}{10}}$$ + $$\displaystyle{\frac{9}{100}}$$

$$70 + 8 + 0 +$$ $$\displaystyle{\frac{5}{100}}$$ + $$\displaystyle{\frac{9}{1000}}$$

$$70 + 8 +$$ $$\displaystyle{\frac{5}{10}}$$ + $$\displaystyle{\frac{9}{100}}$$

none

Solution

Question 9

$$16134$$

$$1613.4$$

$$0.16134$$

$$0.016134$$

Solution

Question 10

20

50

40

10

Solution

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