Fractions and Decimals Test

Result

Fractions and Decimals Test - 32

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Weekly Quiz Competition

Question 1
1 / -0

Amanda creates the base of a picture frame, using 4.55 inches of red fabric and 6.25 inches of blue fabric. How many inches of fabric are used to create the base of the frame?

A
10.80 inches

B
10.85 inches

C
10.75 inches

D
10.90 inches

Solution
Question 2
1 / -0

A box of laundry detergent contains 16.5 oz of product. What is the maximum number of loads that can be washed if each load requires a minimum of 3/4 oz of detergent?

A
10

B
50

C
22

D
18

E
16.5

Solution

Quantity of detergent in a box: $$16.5 oz$$
Quantity of detergent used in one wash load: $$\dfrac{3}{4}oz$$ = $$0.75 oz$$

No. of wash loads = $$\dfrac{Quantity\quad of\quad detergent\quad in\quad a\quad box}{Quantity\quad of\quad detergent\quad used\quad in\quad one\quad wash\quad load}$$

= $$\dfrac{16.5}{0.75}$$

= $$22$$ wash loads
Question 3
1 / -0

Multiply $$43.09$$ with $$23$$.

A
$$99.107$$

B
$$991.07$$

C
$$9910.7$$

D
$$9.9107$$

Solution

Let us first multiply the two given numbers $$43.09$$ and $$23$$ without decimal point:
$$4309\times 23=99107$$
Since, $$43.09$$ has two decimal places, therefore the answer $$99107$$ should also have two decimal places that is $$991.07$$.
Hence, $$43.09\times 23=991.07$$.
Question 4
1 / -0

(Three rupees $$5$$ paise) $$\times$$ (five rupees $$40$$ paise) is equal to

A
$$Rs. 18.90$$

B
$$Rs. 16.47$$

C
$$Rs. 17.64$$

D
$$RS. 15.37$$

Solution

We know that 100 paise is nothing but 1 Rupee.
So $$5Paise = 0.05 Rupees$$
Also $$40 Paise = 0.4 Rupees$$
Now Three Rupees $$5\ Paise = 3 \ Rupees + 0.05\ Rupees$$
$$=3.05 \ Rupees$$
Also Five Rupees $$40 \ Paise= 5 \ Rupees + 0.40 \ Rupees$$
$$= 5.40 \ Rupees$$
Now to find (Three rupees $$5$$ paise)$$\times $$(five rupees $$40$$ paise)
$$=3.05\times 5.40 \\=Rs.\ 16.47$$
Question 5
1 / -0

What is the difference between 3.8 and 0.571?

A
0.73

B
2.567

C
3.229

D
4.262

Solution

Numbers are $$3.8$$ and $$0.571$$.
Subtracting both of them,
Ref. image
Answer - C
Question 6
1 / -0

Multiply and reduce to lowest form:
$$\cfrac { 2 }{ 3 } \times 5\cfrac { 1 }{ 5 } $$

A
$$3\cfrac { 7 }{ 15 } $$

B
$$7\cfrac { 3 }{ 15 } $$

C
$$\cfrac { 7 }{ 15 } $$

D
$$3\cfrac { 3 }{ 15 } $$

Solution

$$\dfrac{2}{3}\times 5\dfrac{1}{5}$$

Can be written as

$$\dfrac{2}{3}\times \dfrac{26}{5}$$

$$=\dfrac{52}{15}$$

$$=3\dfrac{7}{15}$$
Question 7
1 / -0

Rahul bought $$4kg$$ $$90g$$ of apples, $$2kg$$ $$60g$$ of grapes and $$5kg$$ $$300g$$ of mangoes. The total weight of all the fruits he bought is _______ .

A
$$11.000kg$$

B
$$11.450kg$$

C
$$11.350kg$$

D
$$11.250kg$$

Solution
Question 8
1 / -0

A $$8m$$ $$57cm$$ pole was put in a pond to measure its depth. If $$4m$$ $$66cm$$ of pole remained outside water, then depth of pond is _____ .

A
$$3.91m$$

B
$$3.00m$$

C
$$3.45m$$

D
$$3.23m$$

Solution
Question 9
1 / -0

The sum of two numbers is $$31.021$$. If one of them is $$11.56$$, then the other number is _______ .

A
$$19.461$$

B
$$17.461$$

C
$$18.641$$

D
$$19.561$$

Solution
Question 10
1 / -0

The product of $$3.92\times 0.1\times 0.0\times 6.3$$ is _______

A
$$0.392$$

B
$$0.1176$$

C
$$0$$

D
$$6.3$$