Fractions and Decimals Test

Result

Fractions and Decimals Test - 23

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Weekly Quiz Competition

Question 1
1 / -0

Evaluate:
$$\displaystyle 25+\frac{3}{100}+\frac{4}{1000}=$$ _________

A
25.34

B
25.304

C
25.034

D
25.0034

Solution

$$5 + \dfrac { 3}{100} + \dfrac{4}{1000}$$
$$= 25 + 0.03 + 0.004$$
$$=25.034$$
Question 2
1 / -0

If $$0.111$$ is approximately equal to $$\dfrac {1}{9}$$, then the approximate value of $$0.777$$ is

A
$$\dfrac {5}{9}$$

B
$$\dfrac {7}{9}$$

C
$$\dfrac {2}{9}$$

D
$$\dfrac {1}{9}$$

Solution

We will find the value of $$0.777$$ by expressing it in terms of $$0.111.$$

$$\begin{aligned}{}0.777 &= 7 \times 0.111\\ &= 7 \times \frac{1}{9}\\ &= \frac{7}{9}\end{aligned}$$

Hence, option $$B$$ is correct.
Question 3
1 / -0

$$143.6\div 2000= .............$$

A
0.1718

B
7.18

C
0.718

D
0.0718

Solution

$$143.6\div 2000=71.8\div 1000$$
$$=0.0718$$
Question 4
1 / -0

Which of the following is an improper fraction?

A
$$\dfrac{15}{1}$$

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

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

D
none of the above

Solution

Since numerator > denominator only in option $$A.$$
Therefore, it is correct.
Question 5
1 / -0

Sum of 0.5, 12.56 and 0.003 is

A
13.063

B
31.063

C
12.063

D
none of these

Solution

We know that to add numbers with different decimal places we expand all the numbers to the same decimal places by expanding zeroes.

So, the sum of 0.5 ,12.56 and 0.003 is

0.500+12.560+0.003 =13.063

Hence, the answer is 13.063

So, option A is the correct answer.
Question 6
1 / -0

Divide $$150.75\div 0.6$$

A
251.25

B
2512.5

C
25125

D
25.125

Solution

$$150.75\div 0.6$$
$$\Rightarrow$$ $$\dfrac{150.75}{0.6}=\dfrac{150.75\times 10}{0.6\times 10}$$

$$=\dfrac{1507.5}{6}$$

$$=251.25$$
Question 7
1 / -0

Convert $$\dfrac{13}{7}$$ into a mixed fraction.

A
$$\displaystyle 1\frac{6}{7}$$

B
$$\displaystyle 2\frac{3}{7}$$

C
$$\displaystyle 3\frac{0}{7}$$

D
$$\displaystyle 3\frac{5}{7}$$

Solution

Divide $$13$$ by $$7$$. The quotient is $$1$$ and remainder is $$6$$.

$$\therefore \dfrac{13}{7}=1\dfrac{6}{7}$$

So, option A is correct.
Question 8
1 / -0

Improper fraction of $$\displaystyle 12\tfrac{1}{6}$$ is

A
$$\displaystyle \frac{72}{6}$$

B
$$\displaystyle \frac{73}{6}$$

C
$$\displaystyle \frac{108}{6}$$

D
$$\displaystyle \frac{85}{6}$$

Solution

$$\displaystyle \frac{WN \times D + N}{D}$$

$$\displaystyle \frac{12\times 6+1}{6}= \frac{72+1}{6}= \frac{73}{6}$$
Question 9
1 / -0

Which of the following is improper fraction?

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

B
$$\dfrac{4}{3}$$

C
$$\dfrac{3}{5}$$

D
none of the above

Solution

A fraction in which the numerator is greater than the denominator is called an improper fraction.
$$\therefore \dfrac{4}{3}$$ is correct.
Question 10
1 / -0

$$0.002\times 0.5=$$?

A
$$0.0001$$

B
$$0.001$$

C
$$0.01$$

D
$$0.1$$

Solution

$$2\times 5=10$$.
Sum of decimal places $$= 4$$
$$\therefore 0.002\times 0.5=0.001$$

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Re-Attempt Weekly Quiz Competition

Fractions and Decimals Test - 23

Result

Fractions and Decimals Test - 23

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SHARING IS CARING

Question 1

25.34

25.304

25.034

25.0034

Solution

Question 2

$$\dfrac {5}{9}$$

$$\dfrac {7}{9}$$

$$\dfrac {2}{9}$$

$$\dfrac {1}{9}$$

Solution

Question 3

0.1718

7.18

0.718

0.0718

Solution

Question 4

$$\dfrac{15}{1}$$

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

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

none of the above

Solution

Question 5

13.063

31.063

12.063

none of these

Solution

Question 6

251.25

2512.5

25125

25.125

Solution

Question 7

$$\displaystyle 1\frac{6}{7}$$

$$\displaystyle 2\frac{3}{7}$$

$$\displaystyle 3\frac{0}{7}$$

$$\displaystyle 3\frac{5}{7}$$

Solution

Question 8

$$\displaystyle \frac{72}{6}$$

$$\displaystyle \frac{73}{6}$$

$$\displaystyle \frac{108}{6}$$

$$\displaystyle \frac{85}{6}$$

Solution

Question 9

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

$$\dfrac{4}{3}$$

$$\dfrac{3}{5}$$

none of the above

Solution

Question 10

$$0.0001$$

$$0.001$$

$$0.01$$

$$0.1$$

Solution

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