Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following signs. If – stands for division, + stands for multiplication, ÷ stands for subtraction, × stands for addition, which of the following equations is correct?
Option 1: 18 ÷ 3 × 2 + 8 – 6 = 10
Option 2: 18 – 3 + 2 × 8 ÷ 6 = 14
Option 3: 18 – 3 ÷ 2 × 8 + 6 = 17
Option 4: 18 × 3 + 2 ÷ 8 – 6 = 15
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Correct Answer: 18 – 3 + 2 × 8 ÷ 6 = 14
Solution : Given: – stands for division, + stands for multiplication, ÷ stands for subtraction, × stands for addition.
Replace the mathematical signs in the equations and solve the equations one by one.
Let's check the given options – First option: 18 ÷ 3 × 2 + 8 – 6 = 10 ⇒ 18 – 3 + 2 × 8 ÷ 6 = 10 Solving L.H.S. of the equation – = 18 – 3 + 2 × 1.33 = 18 – 3 + 2.66 = 20.66 – 3 = 17.66 ≠ 10 Second option: 18 – 3 + 2 × 8 ÷ 6 = 14 ⇒ 18 ÷ 3 × 2 + 8 – 6 = 14 Solving L.H.S. of the equation – = 6 × 2 + 8 – 6 = 12 + 8 – 6 = 20 – 6 = 14 = R.H.S. Third option: 18 – 3 ÷ 2 × 8 + 6 = 17 ⇒ 18 ÷ 3 – 2 + 8 × 6 = 17 Solving L.H.S. of the equation – = 6 – 2 + 8 × 6 = 6 – 2 + 48 = 54 – 2 = 52 ≠ 17 Fourth option: 18 × 3 + 2 ÷ 8 – 6 = 15 ⇒ 18 + 3 × 2 – 8 ÷ 6 = 15 Solving L.H.S. of the equation – = 18 + 3 × 2 – 1.33 = 18 + 6 – 1.33 = 24 – 1.33 = 22.67 ≠ 15
So, only the second option satisfies the given condition. Hence, the second option is correct.
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Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following signs. If – stands for division, + stands for multiplication, ÷ stands
Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following signs. If – stands for division, + stands for multiplication, ÷ stands for
Question : Direction: In the following question you have to identify the correct response from the given premises stated according to the following symbols:
If '+' stands for division, '×' stands for addition,
Question : Direction: In the following question you have to identify the correct response from the given premises stated according to the following symbols.
If – stands for addition, ÷ stands for multiplication, × stands for
Question : Directions: By interchanging the given two signs which of the following equations will be not correct? + and ÷
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