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MCQ Practice

Mathematics MCQs

The value of √1600 ____.

• A. 30
• B. 35
• C. 40
• D. 45

Explanation:
√1600 = 40.

The value of 40² ____.

• A. 1200
• B. 1400
• C. 1600
• D. 1800

Explanation:
40² = 1600.

If 20x = 400, then x = ____.

• A. 10
• B. 15
• C. 20
• D. 25

Explanation:
x = 400/20.

The value of √900 ____.

• A. 20
• B. 25
• C. 30
• D. 35

Explanation:
√900 = 30.

The value of 30² ____.

• A. 600
• B. 700
• C. 800
• D. 900

Explanation:
30² = 900.

If 15x = 300, then x = ____.

• A. 15
• B. 18
• C. 20
• D. 25

Explanation:
x = 300/15.

The value of √625 ____.

• A. 20
• B. 22
• C. 25
• D. 30

Explanation:
√625 = 25.

The value of 25² ____.

• A. 525
• B. 625
• C. 725
• D. 825

Explanation:
25² = 625.

If 12x = 144, then x = ____.

• A. 10
• B. 11
• C. 12
• D. 13

Explanation:
x = 144/12.

The value of √400 ____.

• A. 10
• B. 15
• C. 20
• D. 25

Explanation:
√400 = 20.