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 for subtraction, and × stands for addition, which one of the following equations is correct?
Option 1: 20 – 4 + 6 ÷ 9 × 4 = 25
Option 2: 20 + 6 – 4 × 9 ÷ 6 = 32
Option 3: 20 ÷ 9 × 9 – 4 + 6 = 33
Option 4: 20 × 4 – 6 ÷ 4 + 9 = 20
Option 1: 100 + 5 – 10 × 250 ÷ 200 = 100
Option 2: 200 + 10 – 20 × 200 ÷ 100 = 150
Option 3: 50 × 5 ÷ 10 + 100 – 75 = 50
Option 4: 300 + 5 – 20 × 200 ÷ 100 = 200
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, '–' stands for multiplication, and '÷' stands for subtraction, which of the following is correct?
Option 1: 46 ÷ 6 × 4 – 5 + 3 = 75.5
Option 2: 46 × 6 – 4 + 5 ÷ 3 = 70.1
Option 3: 46 – 6 + 4 × 5 ÷ 3 = 71
Option 4: 46 × 6 ÷ 4 – 5 + 3 = 74
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 subtraction, and + for division, then which one of the following equations is correct?
Option 1: 25 – 15 + 5 ÷ 4 × 16 = 21
Option 2: 25 + 11 – 4 ÷ 10 × 6 = 20
Option 3: 25 × 12 – 14 ÷ 4 + 6 = 16
Option 4: 25 – 12 + 14 ÷ 2 × 4 = 15
Question : Directions: By interchanging the given two signs which of the following equations will be not correct? + and ÷
Option 1: 18 + 6 – 6 ÷ 3 × 3 = 6
Option 2: 18 + 2 × 6 ÷ 3 – 7 = 50
Option 3: 7 × 8 ÷ 4 + 2 – 6 = 49
Option 4: 6 × 9 + 3 – 24 ÷ 8 = 2
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