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CTET Paper I (Classes I to V) 7 Jan 2022 Solved Paper

Question : 43 of 150

Marks: +1, -0

24.4 × 5 – 90 ÷ 5 – 25.5 × 4 is

Solution:

Concept:

Follow the order of operations - do multiplication and division before addition and subtraction (BODMAS rule).

Explanation:

Step 1: First, perform all multiplications and divisions from left to right.

24.4 \times 5 = 122

90 \div 5 = 18

25.5 \times 4 = 102

Step 2: Replace the results in the expression.

122 - 18 - 102

Step 3: Now do subtraction from left to right.

122 - 18 = 104

104 - 102 = 2

Answer:

2 (Option C)

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