Uttar Pradesh Board Solutions for Chapter: Algebraic Concepts, Exercise 2: Exercise

Teacher give $3$ pencils to each student. If there are a total of $x$ students in the class is $x$, then tell how many pencils teacher give to the students $?$

Write a term (letter number) instead of numbers in the empty spaces in the blank space in place of numbers and tell what number it has been used for:

$$\begin{gathered} 12 +5 =17 \\ .....+5 =17 \end{gathered}$$

Write a term (letter number) instead of numbers in the empty spaces in the blank spaces in place of numbers and tell what number it has been used for:

$$\begin{gathered} 40 -10 =30 \\ 40 -....=30 \end{gathered}$$

Write a term (letter number) instead of numbers in the blank space in place of numbers and tell what number it has been used for:

$$\begin{gathered} 4\times 6=24 \\ \square \times 6=24 \end{gathered}$$

Write a term (letter number) instead of numbers in the empty spaces in the blank space in place of numbers and tell what number it has been used for:

$$\begin{gathered} 35÷5=7 \\ 35÷\square =7 \end{gathered}$$

Rahim had $₹10$, he gave Razia a few rupees. How many rupees he has left? Express this relation with the help of letter numbers.

There are some trees in a garden. The number of trees has increased to $120$ after planting $50$trees, Express this statement with the help of letter numbers.

Find out the rule to know the number of match-sticks required to frame the models of letter $M$ and $N$. Use a variable to write the rule.