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# Find the value of x if 45% of marks x is 405

**Solution:**

Given, 45% of marks x is 405.

We have to find the value of x.

According to the question,

45% of marks x = 405

(45/100) of x = 405

(45/100) × x = 405

x = 405 × (100/45)

x = 405 × (20/9)

x = 45 × 20

x = 900

Therefore, the value of x is 900.

**✦ Try This: **Find the value of x if 55% of marks x is 550.

**☛ Also Check: **NCERT Solutions for Class 7 Maths Chapter 8

**NCERT Exemplar Class 7 Maths Chapter 7 Problem 80 (iv)**

## Find the value of x if 45% of marks x is 405

**Summary:**

The value of x if 45% of marks x is 405, is 900.

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