Question : Directions: 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 multiplication, × stands for subtraction, and –stands for addition, then which of the following expressions is correct?
Option 1: 18 × 6 + 7 ÷ 5 – 2 = 16
Option 2: 18 ÷ 6 × 7 + 5 – 2 = 22
Option 3: 18 ÷ 6 – 7 + 5 × 2 = 20
Option 4: 18 + 6 ÷ 7 × 5 – 2 = 18
Correct Answer: 18 + 6 ÷ 7 × 5 – 2 = 18
Solution : Given: + stands for division, ÷ stands for multiplication, × stands for subtraction, and –stands for addition.
Replace the mathematical signs and solve the equations. Let's check the given options – First option: 18 × 6 + 7 ÷ 5 – 2 = 16 ⇒ 18 – 6 ÷ 7 × 5 + 2 = 16 Solving L.H.S. of the equation – = 18 – 0.85 × 5 + 2 = 18 – 4.25 + 2 = 20 – 4.25 = 15.75 ≠ 16 Second option: 18 ÷ 6 × 7 + 5 – 2 = 22 ⇒ 18 × 6 – 7 ÷ 5 + 2 = 22 Solving L.H.S. of the equation – = 18 × 6 – 1.4 + 2 = 108 – 1.4 + 2 = 110 – 1.4 = 108.6 ≠ 22 Third option: 18 ÷ 6 – 7 + 5 × 2 = 20 ⇒ 18 × 6 + 7 ÷ 5 – 2 = 20 Solving L.H.S. of the equation – = 18 × 6 + 1.4 – 2 = 108 + 1.4 – 2 = 109.4 – 2 = 107.4 ≠ 20 Fourth option: 18 + 6 ÷ 7 × 5 – 2 = 18 ⇒ 18 ÷ 6 × 7 – 5 + 2 = 18 Solving L.H.S. of the equation – = 3 × 7 – 5 + 2 = 21 – 5 + 2 = 23 – 5 = 18 = R.H.S.
So, only the equation in the fourth option satisfies the given conditions. Hence, the fourth 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 symbols. If + stands for multiplication, – stands for division, × stands for addition, and ÷ stands for subtraction, then which one of the following equations is correct?
Option 1: 12 × 5 + 4 – 5 ÷ 4 = 20
Option 2: 12 ÷ 5 + 4 – 5 × 4 = 18
Option 3: 12 + 5 – 4 × 5 ÷ 4 = 16
Option 4: 12 ÷ 5 – 4 × 5 + 4 = 22
Question : Directions: 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.
Option 1: 5 – 3 + 2 × 4 ÷ 8 = 2
Option 2: 5 × 3 + 2 – 4 × 8 = 19
Option 3: 5 ÷ 3 × 2 – 4 + 8 = 8
Option 4: 5 + 3 × 2 ÷ 4 – 8 = 4
Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following symbols: If – stands for +; + stands for × and × stands for –; then which one of the following equations is not correct?
Option 1: 22 + 7 – 3 × 9 = 148
Option 2: 33 × 5 – 10 + 20 = 228
Option 3: 7 + 28 – 3 × 52 = 127
Option 4: 44 – 9 + 6 × 11 = 87
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 +, + means ÷, – means ×, and ÷ means –, then 6 × 4 – 5 + 2 ÷ 1 = ?
Option 1: 11
Option 2: 15
Option 3: 10
Option 4: 12
Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following symbols. 14 * 2 * 4 * 6 * 4
Option 1: ×, ÷, >, ×
Option 2: ÷, ×, >, ×
Option 3: ÷, +, =, ×
Option 4: ÷, +, >, ×
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