Real Numbers in Action | Homework Practice

Question 1mcq

Which of the following is equal to x ?

A.

𝑥^\frac{12}{7} − 𝑥^\frac{5}{7}

B.

\sqrt[12]{(x^4)^{1/3}}

C.

(\sqrt{x^3})^{2/3}

D.

x^{12/7} \times x^{7/12}

Question 2mcq

2\sqrt{3} × \sqrt{3} + 1

=

A.6

B.

2\sqrt{9}

C.7

D.

4\sqrt{6}

Question 3fill blank

\frac{7}{8} - \frac{1}{3}

=

Answer: ________________________________

Question 4fill blank

1.75 + 2.25 =

Answer: ________________________________

Question 5fill blank

Neha spends ₹18.50 on a notebook and ₹6.75 on a pen. Total spending = .

Answer: ________________________________

Question 6mcq

What is (2.5 + 1.75) ÷ 0.5 ?

A.8.5

B.4.25

C.7.5

D.9.25

Question 7mcq

What is 0.84 × 0.25 ?

A.0.21

B.0.84

C.0.24

D.0.084

Question 8mcq

What is 2.4 × 1.25 ?

A.3.5

B.2.5

C.4.8

D.3

Question 9mcq

What is 7.5 ÷ 0.5 ?

A.10

B.7.5

C.15

D.12.5

Question 10mcq

A bottle has 2.5 L of juice. If 0.75 L is used in the morning and 1.1 L in the evening, how much juice is left?

A.₹0.75

B.₹0.65

C.₹0.55

D.₹1.65

Question 11mcq

What is

\frac{5}{6} - \frac{1}{3} ÷ \frac{1}{2}

?

A.

\frac{5}{6}

B.1

C.2

D.

\frac{3}{6}

Question 12long form

Find the value of

x

in

3 + 2^x = (64)^{1/2} + (27)^{1/3}

Question 13mcq

What is

\frac{3}{4} + \frac{1}{4}

?

A.2

B.1

C.

\frac{3}{4}

D.

\frac{7}{12}

Question 14mcq

What is

\frac{2}{3} × \frac{3}{5}

?

A.

\frac{2}{5}

B.

\frac{3}{5}

C.

\frac{1}{2}

D.

\frac{1}{3}

Question 15mcq

What is 7 ÷

\frac{1}{7}

?

A.-49

B.1

C.7

D.49

Question 16mcq

What is 6 × 0.4 ?

A.2.4

B.2

C.3.4

D.0.24

Question 17mcq

What is (-6) + 13 - 4 ?

A.1

B.3

C.5

D.-3

Question 18mcq

What is 1.2 + 0.35 + 2.05 ?

A.3.6

B.1.7

C.2.4

D.4.0

Question 19mcq

What is

\frac{3}{5}

of 20 ?

A.20

B.15

C.8

D.12

Question 20mcq

What is

\frac{5}{8} + \frac{1}{4}

?

A.1

B.

\frac{5}{8}

C.

\frac{7}{8}

D.

\frac{3}{4}