(b) How many Shirt 'A' can be bought ins [1 U] (c) In how many rupees did shopkeeper sell these two shirts? Calculate it. (d) If a shopkeeper sold two shirts in Rs. 2100 , how much profit percent shoul shopkeeper allowed? $$ [2 \mathrm{HA} $$ Anita is an ofticer of a company. Her monthly salary is Rs. 42000 . She spent part of her income in food and $$ \frac{1}{3} $$ part of her income in education and she saved il remaining income. (a) Define rational number. (b) How much amount did she save in a month? (c) Write any one rational number between $$ \frac{2}{5} $$ and $$ \frac{1}{2} $$.

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Let's break down the problem step by step.

### Part (b): How many Shirt 'A' can be bought in Rs. 1?

To determine how many Shirt 'A' can be bought for Rs. 1, we need the price of Shirt 'A'. However, since the price is not provided, we cannot calculate this directly. If you provide the price of Shirt 'A', I can help you with the calculation.

### Part (c): In how many rupees did the shopkeeper sell these two shirts?

Again, we need the price of each shirt to calculate the total selling price of the two shirts. If you provide the prices, I can assist you in calculating the total amount.

### Part (d): If a shopkeeper sold two shirts for Rs. 2100, how much profit percent should the shopkeeper allow?

To find the profit percentage, we need to know the cost price (CP) of the shirts. The formula for profit percentage is:

$$
\text{Profit Percentage} = \left( \frac{\text{Selling Price} - \text{Cost Price}}{\text{Cost Price}} \right) \times 100
$$

If the selling price (SP) is Rs. 2100, we need the cost price to calculate the profit percentage. Please provide the cost price of the shirts.

### Part (a): Define a rational number.

A rational number is any number that can be expressed as the quotient or fraction $$ \frac{p}{q} $$, where $$ p $$ and $$ q $$ are integers and $$ q \neq 0 $$. This includes integers, fractions, and finite or repeating decimals.

### Part (b): How much amount did Anita save in a month?

Anita's monthly salary is Rs. 42000. She spends part of her income on food and $$ \frac{1}{3} $$ of her income on education.

1. **Calculate the amount spent on education:**
   $$
   \text{Education Expense} = \frac{1}{3} \times 42000 = 14000
   $$

2. **Assuming she spends a certain amount on food (let's denote it as $$ F $$), her total expenses would be:**
   $$
   \text{Total Expenses} = F + 14000
   $$

3. **Her savings would then be:**
   $$
   \text{Savings} = 42000 - (F + 14000) = 42000 - F - 14000 = 28000 - F
   $$

Without the specific amount spent on food, we cannot calculate the exact savings. If you provide the amount spent on food, I can help you find the savings.

### Part (c): Write any one rational number between $$ \frac{2}{5} $$ and $$ \frac{1}{2} $$.

To find a rational number between $$ \frac{2}{5} $$ and $$ \frac{1}{2} $$, we can convert both fractions to have a common denominator or find a number that lies between them.

1. Convert $$ \frac{2}{5} $$ to a decimal: $$ \frac{2}{5} = 0.4 $$
2. Convert $$ \frac{1}{2} $$ to a decimal: $$ \frac{1}{2} = 0.5 $$

A rational number between 0.4 and 0.5 could be $$ \frac{9}{20} $$ (which is 0.45).

Thus, one rational number between $$ \frac{2}{5} $$ and $$ \frac{1}{2} $$ is $$ \frac{9}{20} $$.

If you provide the missing information regarding the prices of the shirts and the amount spent on food, I can assist you further with those calculations.
(a) A rational number is any number that can be expressed as a fraction $$ \frac{p}{q} $$, where $$ p $$ and $$ q $$ are integers and $$ q \neq 0 $$. (b) Anita saved Rs. 28,000 in a month. (c) One rational number between $$ \frac{2}{5} $$ and $$ \frac{1}{2} $$ is $$ \frac{9}{20} $$.

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