Decimals Test

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Decimals Test - 10

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Weekly Quiz Competition

Question 1
1 / -0

On the above number line, 'y' represents

A
0.06

B
0.85

C
0.86

D
0.88

Solution

The given decimals are $$0.8$$ and $$0.9$$
$$\Rightarrow$$ Difference between decimals $$=0.9 - 0.8 = 0.1$$
Now line is divided in $$5$$ equal segments.
Value of each segment is:
$$\Rightarrow$$ $$ 0.1 \div 5 = \dfrac{0.1}{5}=0.02$$
$$y$$ is placed at $$3rd$$ segment from $$0.8$$.
$$\therefore$$ Value of $$y$$ $$=0.8+0.02+0.02+0.02 = 0.86$$
Question 2
1 / -0

A basket of grapes weighs 2.5 kg and a basket of strawberries weighs 4.25 kg. What is the difference in weights between both baskets?

A
1.75 kg

B
4 kg

C
6.75 kg

D
10.265 kg

Solution

$$4.24$$
$$-\underline {2.5}$$
$$\underline {1.75 kg}$$
Question 3
1 / -0

Sum of $$1.8, 16.3$$ and $$72.985$$ is _____

A
$$91.85$$

B
$$9108.5$$

C
$$91.085$$

D
$$9.1085$$

Solution

$$1.800+16.300+72.985=91.085$$

So option C is the correct answer.
Question 4
1 / -0

Difference of 32 and 27.091 is

A
30.791

B
5.909

C
4.909

D
3.909

Solution

32.000-27.091=4.909
So option C is the correct answer.
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

Sum of $$0.3, 0.03$$ and $$0.003$$ is _____

A
$$0.999$$

B
$$0.393$$

C
$$0.636$$

D
$$0.333$$

Solution

To add $$3$$ decimal numbers of different decimal values we pick the number with the highest decimal value and expand all the other numbers to the same value by adding $$0$$ after the decimal point.

$$0.300+0.030+0.003=0.333$$

So option D is the correct answer!
Question 7
1 / -0

Fraction for $$0.12$$ is

A
$$\dfrac {12}{100}$$

B
$$\dfrac {12}{10}$$

C
$$\frac {2}{1000}$$

D
$$\dfrac {12}{1000}$$

Solution

$$ 0.12 = \dfrac{12}{100}$$
Question 8
1 / -0

Decimal form of $$\dfrac {78}{100}$$ is

A
$$0.78$$

B
$$78.00$$

C
$$0.078$$

D
$$7.8$$

Solution

0.78 is the decimal representation for $$\dfrac{78}{100}$$
Question 9
1 / -0

Expanded form of 78.059 is

A
$$78+\dfrac {5}{10}+\dfrac {9}{100}$$

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

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

D
none of these

Solution

The number system has places. We all know the ones tens hundredths places.

After decimal the first decimal digit from the decimal point is the tenth, the second decimal digit from the decimal point is the hundredth and the third decimal digit from the decimal point is the thousandths digit.

Read the whole set of three decimal digits as a number, and say, "tenths", "hundredths" and “thousandths.” 78.059 has 0 tenths, 5 hundredths, and 9 thousandths.

While 78.059 is the sum of $$70+8+\dfrac{0}{10} +\dfrac{5}{100} + \dfrac{9}{1000} $$.

So option B is the correct answer.
Question 10
1 / -0

Fraction for 0.04 is:

A
$$\dfrac {4}{10}$$

B
$$\dfrac {4}{100}$$

C
$$\dfrac {04}{10}$$

D
$$\dfrac {4}{1000}$$

Solution

Given: $$0.04$$ $$=\dfrac{0.04}{1}$$
Here, we have two numbers after the decimal point. So, we multiply both the numerator and the denominator by $$100.$$

$$=\dfrac{0.04\times 100}{1\times 100}$$

$$=\dfrac{4}{100}$$

$$\therefore$$ Fraction for $$0.04$$ is $$\dfrac{4}{100}$$

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Re-Attempt Weekly Quiz Competition

Decimals Test - 10

Result

Decimals Test - 10

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Rank

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SHARING IS CARING

Question 1

0.06

0.85

0.86

0.88

Solution

Question 2

1.75 kg

4 kg

6.75 kg

10.265 kg

Solution

Question 3

$$91.85$$

$$9108.5$$

$$91.085$$

$$9.1085$$

Solution

Question 4

30.791

5.909

4.909

3.909

Solution

Question 5

13.063

31.063

12.063

none of these

Solution

Question 6

$$0.999$$

$$0.393$$

$$0.636$$

$$0.333$$

Solution

Question 7

$$\dfrac {12}{100}$$

$$\dfrac {12}{10}$$

$$\frac {2}{1000}$$

$$\dfrac {12}{1000}$$

Solution

Question 8

$$0.78$$

$$78.00$$

$$0.078$$

$$7.8$$

Solution

Question 9

$$78+\dfrac {5}{10}+\dfrac {9}{100}$$

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

$$70+8+\dfrac {5}{10}+\dfrac {9}{100}$$

none of these

Solution

Question 10

$$\dfrac {4}{10}$$

$$\dfrac {4}{100}$$

$$\dfrac {04}{10}$$

$$\dfrac {4}{1000}$$

Solution

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