Question

3375
m. Match the following:
21.256
22.3
23. 153
24. 2744
25. r> + 2x +3​

Answer 1

21.256

Step-by-step explanation:

3375 find square root the calculate

Answer 2

$\large\mathfrak \pink{Solution:-}$

$\underline \mathbb{GIVEN:-}$

20 is added to 1/3 rd of a number and it becomes 35.

$\underline \mathbb{TO \: FIND:-}$

The unknown number.

$\underline \mathbb{ASSUMPTION:-}$

Let, the unknown number be x.

$\underline \mathbb{BY \: THE \: PROBLEM:-}$

$\frac{1}{3} of \: x + 20 = 35 \\ \\ \implies \: \frac{x}{3} = 35 - 20\\ \\ \implies \: \frac{x}{3} = 15 \\ \\ \implies \: x = 45$

$\underline \mathbb{ANSWER:-}$

The unknown number is 45.

$\underline \mathbb{VERIFICATION:-}$

$\frac{1}{\cancel{3}} of \: \cancel{45} + 20 = 35 \\ \\ \implies \: 15 + 20 = 35 \\ \\ \implies \:35 = 35(proved)$