Fractions and Decimals Test

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Fractions and Decimals Test - 24

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is not a proper fraction?

A
$$\dfrac {1}{2}$$

B
$$\dfrac {1}{4}$$

C
$$\dfrac {3}{8}$$

D
none of these

Solution

Fraction is said to be proper fraction if its numerator is smaller than the denominator.
Since in all the given fractions numerator is numerator is smaller than the denominator, all three are fractions are proper fractions.
Therefore$$,$$ option $$D$$ is correct.
Question 2
1 / -0

Multiply:
$$123\times24.53$$

A
$$3017.19$$

B
$$30171.9$$

C
$$307.719$$

D
$$30.719$$

Solution

Multiplying and dividing by $$100$$ we get
$$123\times 24.53 = (123\times2453)\div100$$
$$=3017.19$$
Question 3
1 / -0

Which of the following is closest to $$27.8 \times 9.6$$?

A
$$280$$

B
$$300$$

C
$$2,800$$

D
$$3,000$$

Solution

$$27.8\times 9.6=$$
Multiplying the numbers without decimals at first.
$$278$$
$$\times$$
$$96$$
____________
$$1668$$
+
$$2502$$
____________
$$26688$$
____________
$$8\times 6=48$$
$$7\times 6=42$$
$$6\times 2=12$$
$$9\times 8=72$$
$$9\times 7=63$$
$$9\times 2=18$$
Then putting decimals, we get $$266.88$$
The number is closer to $$280$$
Answer: (A) $$280$$.
Question 4
1 / -0

Which of the following is a proper fraction?

A
$$1\dfrac {1}{3}$$

B
$$\dfrac {5}{4}$$

C
$$\dfrac {2}{3}$$

D
None of these

Solution

We know that, a proper fraction is a fraction where the numerator is less than the denominator.
Since numerator $$<$$ denominator in $$\dfrac 23$$, it is a proper fraction.

Hence, option C is correct.
Question 5
1 / -0

$$4.036$$ divided by $$0.04$$ gives:

A
$$1.009$$

B
$$10.09$$

C
$$100.9$$

D
None of these

Solution

$$\dfrac { 4.036 }{ 0.04 } =\dfrac { 403.6 }{ 4 } =100.9$$
Question 6
1 / -0

$$2.75 + 0.003 + 0.158 =$$

A
$$4.36$$

B
$$2.911$$

C
$$0.436$$

D
$$2.938$$

Solution

$$2.75=0.003+0.158=$$
Write all decimal numbers in correct order in such a way that the numbers come in correct row.
$$2.750$$
$$0.003$$
$$0.158$$
_________
$$2.911$$
_________
IV III II I
I$$\rightarrow 8+3+0=11$$ $$\{1$$ balance$$\}$$
II$$\rightarrow 1+5+0+5=11$$ $$\{1$$ balance$$\}$$
III$$\rightarrow 1+7+0+1=9$$
IV$$\rightarrow 2+0+0=2$$.
Question 7
1 / -0

$$247 + 2.047 + 0.247 + 2.0047 =$$?

A
$$267.2963$$

B
$$262.965$$

C
$$229.6357$$

D
None of these

Solution
Question 8
1 / -0

Multiply: $$24\times 12.23$$

A
$$123.36$$

B
$$236.56$$

C
$$293.52$$

D
$$2935.2$$

Solution

Multiplying and dividing by $$100$$ we get
$$24\times 12.23 = (24\times1223)\div100$$
$$=293.52$$
Question 9
1 / -0

Which of the following is/are improper fraction(s)?

A
$$\dfrac{21}{20}$$

B
$$\dfrac{23}{24}$$

C
$$\dfrac{14}{15}$$

D
None of the above

Solution

Here, Numerator $$>$$ denominator only in option $$A.$$
Hence, option $$A$$ is correct.
Question 10
1 / -0

Perform following operation
$$1234.46\div8$$

A
$$15430.75$$

B
$$15403.075$$

C
$$154.3075$$

D
$$15.43075$$

Solution

Multiplying and dividing by $$100$$ we get
$$1234.46\div 8 = (123446\div 8)\div100$$
$$=154.3075$$

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Re-Attempt Weekly Quiz Competition

Fractions and Decimals Test - 24

Result

Fractions and Decimals Test - 24

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SHARING IS CARING

Question 1

$$\dfrac {1}{2}$$

$$\dfrac {1}{4}$$

$$\dfrac {3}{8}$$

none of these

Solution

Question 2

$$3017.19$$

$$30171.9$$

$$307.719$$

$$30.719$$

Solution

Question 3

$$280$$

$$300$$

$$2,800$$

$$3,000$$

Solution

Question 4

$$1\dfrac {1}{3}$$

$$\dfrac {5}{4}$$

$$\dfrac {2}{3}$$

None of these

Solution

Question 5

$$1.009$$

$$10.09$$

$$100.9$$

None of these

Solution

Question 6

$$4.36$$

$$2.911$$

$$0.436$$

$$2.938$$

Solution

Question 7

$$267.2963$$

$$262.965$$

$$229.6357$$

None of these

Solution

Question 8

$$123.36$$

$$236.56$$

$$293.52$$

$$2935.2$$

Solution

Question 9

$$\dfrac{21}{20}$$

$$\dfrac{23}{24}$$

$$\dfrac{14}{15}$$

None of the above

Solution

Question 10

$$15430.75$$

$$15403.075$$

$$154.3075$$

$$15.43075$$

Solution

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