Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following signs. If × means addition, – means division, ÷ means subtraction, and + means multiplication, then which of the equations is correct?
Option 1: 16 × 5 ÷ 10 + 4 – 3 = 19
Option 2: 16 + 5 ÷ 10 × 4 – 3 = 9
Option 3: 16 + 5 – 10 × 4 ÷ 3 = 9
Option 4: 16 – 5 × 10 ÷ 4 + 3 = 12
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Correct Answer: 16 + 5 – 10 × 4 ÷ 3 = 9
Solution : Given: × means addition, – means division, ÷ means subtraction, and + means multiplication.
Replace the mathematical signs in the equations and solve the equations one by one. Let's check the given options – First option: 16 × 5 ÷ 10 + 4 – 3 = 19 ⇒ 16 + 5 – 10 × 4 ÷ 3 = 19 Solving L.H.S. of the equation – = 16 + 5 – 10 × 1.33 = 16 + 5 – 13.33 = 21 – 13.33 = 7.67 ≠ 19 Second option: 16 + 5 ÷ 10 × 4 – 3 = 9 ⇒ 16 × 5 – 10 + 4 ÷ 3 = 9 Solving L.H.S. of the equation – = 16 × 5 – 10 + 1.33 = 80 – 10 + 1.33 = 81.33 – 10 = 71.33 ≠ 9 Third option: 16 + 5 – 10 × 4 ÷ 3 = 9 ⇒ 16 × 5 ÷ 10 + 4 – 3 = 9 Solving L.H.S. of the equation – = 16 × 0.5 + 4 – 3 = 8 + 4 – 3 = 12 – 3 = 9 = R.H.S. Fourth option: 16 – 5 × 10 ÷ 4 + 3 = 12 ⇒ 16 ÷ 5 + 10 – 4 × 3 = 12 Solving L.H.S. of the equation – = 3.2 + 10 – 4 × 3 = 3.2 + 10 – 12 = 13.2 – 12 = 1.2 ≠ 12
So, only the third option satisfies the given condition. Hence, the third 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 : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following signs. If × means –, – means ÷, + means ×, and ÷ means +, then what will be the value of the following expression? 16 × 8 ÷ 4 – 3 + 9 = ?
Option 1: 10
Option 2: 19
Option 3: 20
Option 4: 9
Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following symbols. If + means division, – means multiplication, ÷ means subtraction, × means addition, and < means less than, then which of the following is false?
Option 1: (10 + 2) ÷ 7 < (10 ÷ 7) + 2
Option 2: (10 – 7) × 2 < (10 × 2) – 7
Option 3: (10 × 7) – 2 < (10 – 2) × 7
Option 4: (10 ÷ 2) + 7 < (10 ÷ 7) × 2
Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following signs. If + means minus, – means multiplication, ÷ means plus and × means division, then 15 – 3 + 10 × 5 ÷ 5 = ?
Option 1: 52
Option 2: 48
Option 3: 22
Option 4: 5
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