Concept of Reciprocal

Q. The area of a rectangle is 12 square metres. If the length is $\frac{2}{3}$ m, then the breadth is .

1. 18 m
2. 16 m
3. 15 m

Q. I had $\frac{1}{5}$ of a pizza and now I want to divide the rest equally into 4 parts. Each part will be of how much and it's corresponding reciprocal will be respectively?

1. 5, $\frac{1}{5}$
2. $\frac{1}{5}$, 5
3. $\frac{4}{5}$, 4
4. $\frac{4}{5}$, 5

Q.

If the reciprocal of a number is 3 times $\frac{2}{3}$, what is the number?

1. $\frac{2}{3}$

2. $\frac{2}{9}$

3. $\frac{1}{2}$

4. 2

Q.

Division of a fraction “A” by a whole number “p” is the same as multiplying the fraction with the reciprocal of “p”.

1. True

2. False

Q.

The area of a rectangle is$2times$ the square of its length. If the breadth of the rectangle is $10cm$, find the length and perimeter.

Q.

Fill the blank for $\_\_\_\_\_÷(-1)=20$

Q.

(a) What fraction of the total pizza is left in the given figure below? [2 MARKS]

(b) What is the product of $\frac{6}{729}$ and its reciprocal?

Q. Calculate 5/4 of 7/5

1. 7/4
2. 28/5
3. 5/4
4. 7/20

Q.

$(-95)÷\_\_\_\_\_=95$Fill in the blanks to make the statement true.

Q.
$\frac{1}{5}÷4=\frac{1}{20}$

1. False
2. True

Q. Divide 5/4 by 2/15

1. 1/6
2. 75/8
3. 3/12
4. 3/2

Q. The reciprocal of 3 is $\frac{1}{3}$.

1. True
2. False

Q. $11\frac{3}{4}\text{divided by}2\frac{3}{4}\text{is \_\_\_}$

1. $4\frac{3}{11}$
2. $\frac{41}{4}$
3. $\frac{3}{7}$
4. $3\frac{4}{11}$

Q.

The reciprocal of $\frac{1}{3}$ is 3.

1. False

2. True

Q. What is the reciprocal of 1/2?

1. 3/2
2. 5/4
3. 2
4. 1/4

Q. I had $\frac{1}{5}$ of a pizza and now I want to divide the rest equally into 4 parts. Each part will be of how much and it's corresponding reciprocal will be respectively?

1. 5, $\frac{1}{5}$
2. $\frac{4}{5}$, 4
3. $\frac{4}{5}$, 5
4. $\frac{1}{5}$, 5

Q.

Fill in the blanks:

$\left(-372\right)÷\_\_\_\_\_\_\_\_=1$

Q.

Complete the following table :

length	breadth	area
$5.2cm$		$2340\text{sq. mm}$

Q. I had $\frac{1}{5}$ of a pizza and now I want to divide the rest equally into 4 parts. Each part will be of how much and it's corresponding reciprocal will be respectively?

1. $\frac{4}{5}$, 4
2. $\frac{1}{5}$, 5
3. 5, $\frac{1}{5}$
4. $\frac{4}{5}$, 5