Grade 7 Decimals Quiz - A Peek Beyond the Point (Set 3)

Question 1

A industrial machine requires 1.44 liters of lubricant for every 0.012 hours of operation. How many liters of lubricant are required for 1 full hour of operation?

Accepted Answer

C) 120 liters

Answer

A) 12 liters

Answer

B) 100 liters

Answer

D) 1.2 liters

Question 2

Express the fraction $\frac{3}{40}$ in its decimal form.

Accepted Answer

B) 0.075

Answer

A) 0.75

Answer

C) 0.0075

Answer

D) 0.34

Question 3

Calculate the product: $0.2 imes 0.02 imes 0.002$.

Accepted Answer

D) 0.000008

Answer

A) 0.008

Answer

B) 0.0008

Answer

C) 0.00008

Question 4

Find the difference between the place value of 7 in the number 27.35 and the place value of 7 in the number 1.07.

Accepted Answer

A) 6.93

Answer

B) 6.3

Answer

C) 7.07

Answer

D) 0.63

Question 5

If 15 identical bags of wheat weigh a total of 123.75 kg, what is the weight of a single bag?

Accepted Answer

C) 8.25 kg

Answer

A) 8.15 kg

Answer

B) 8.05 kg

Answer

D) 9.25 kg

Question 6

What is the reciprocal of 0.125 expressed as a whole number?

Accepted Answer

B) 8

Answer

A) 4

Answer

C) 12

Answer

D) 80

Question 7

Arrange the following in descending order and identify the largest: $0.7, 0.77, 0.077, 0.707$.

Accepted Answer

A) 0.77

Answer

B) 0.707

Answer

C) 0.7

Answer

D) 0.077

Question 8

Convert the decimal 4.125 into its simplest mixed fraction form.

Accepted Answer

D) $1 \frac{1}{8}$

Answer

A) $1 \frac{1}{4}$

Answer

B) $1 \frac{1}{5}$

Answer

C) $1 \frac{3}{8}$

Question 9

The perimeter of a regular polygon is 16.25 cm. If each side measures 3.25 cm, how many sides does the polygon have?

Accepted Answer

B) 5

Answer

A) 4

Answer

C) 6

Answer

D) 8

Question 10

Simplify: $(0.6 imes 0.6) - (0.4 imes 0.4)$.

Accepted Answer

C) 0.20

Answer

A) 0.2

Answer

B) 0.02

Answer

D) 0.12