If + stands for division; (x) stands for addition; (-) stands for mu...
From option (A),
(A =15 -52 x 6 ÷ 3)
(= 15 - 52 x 2 = 14 ≠ 28)
From option (B),
(B = 155 ÷ 2 x 6 - 3)
(= 15 - 5/2 x 6 - 3)
( = 27 ≠ 56.5)
From option (C),
(C = 15 ÷ 5 x 2 - 63)
( = 3 x 2 - 63 = 3 = 3)
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If + stands for division; (x) stands for addition; (-) stands for mu...
To solve this question, we need to apply the given symbols to the given expressions and calculate the result. Let's break down each option and find the correct one:
(A) 15 ÷ 5x2 - 6x3 = 28
Here, we need to follow the order of operations (PEMDAS/BODMAS) which states that multiplication and division should be performed before addition and subtraction. Let's solve it step by step:
- First, we perform the division: 15 ÷ 5 = 3
- Next, we perform the multiplication: 3x2 = 6
- Finally, we perform the subtraction: 6 - 6x3 = 6 - 18 = -12, not 28.
(B) 15x52 - 6 ÷ 3 = 56.5
Again, let's solve it step by step:
- First, we perform the multiplication: 15x52 = 780
- Next, we perform the division: 6 ÷ 3 = 2
- Finally, we perform the subtraction: 780 - 2 = 778, not 56.5.
(C) 155 - 2 ÷ 6x3 = 3
Let's solve it step by step:
- First, we perform the division: 2 ÷ 6 = 0.333 (rounded to 3 decimal places)
- Next, we perform the multiplication: 0.333x3 = 0.999 (rounded to 3 decimal places)
- Finally, we perform the subtraction: 155 - 0.999 = 154.001 (rounded to 3 decimal places). This result is not exactly 3, but it is the closest option to 3.
(D) 15 - 52x6 ÷ 3 = 41
Let's solve it step by step:
- First, we perform the multiplication: 52x6 = 312
- Next, we perform the division: 312 ÷ 3 = 104
- Finally, we perform the subtraction: 15 - 104 = -89, not 41.
Therefore, the correct option is (C) 155 - 2 ÷ 6x3 = 3.