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CTET Paper II (Mathematics and Science) 12 Jan 2023 Solved Paper

Question : 32 of 150

Marks: +1, -0

Value of (2.05 + 68.5 - 6.321 + 8.18 - 1.5) is :

Solution:

Concept:

Addition and subtraction of decimal numbers. Group positive and negative terms for easier calculation.

Explanation:

First, add all positive terms:

2.05 + 68.5 + 8.18 = 78.73

Then, add all negative terms:

-6.321 - 1.5 = -7.821

Finally, combine them:

78.73 - 7.821 = 70.909

Answer:

70.909 (Option C)

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