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Some equations are solved on the basic o...

Some equations are solved on the basic of a certain system. On the same basis, find out the correct answer, from amongst the four alternative, for the unsolved equation.
` 85 xx 14 = 44, 68 xx 28 = 64, 79 xx 45 = ?`

A

72

B

83

C

96

D

124

Text Solution

AI Generated Solution

The correct Answer is:
To solve the equation based on the given pattern, we will follow these steps: ### Step 1: Analyze the first equation The first equation is: \[ 85 \times 14 = 44 \] We will break it down: - Multiply the digits of the first number: \[ 8 \times 5 = 40 \] - Multiply the digits of the second number: \[ 1 \times 4 = 4 \] - Now, add the two results together: \[ 40 + 4 = 44 \] ### Step 2: Analyze the second equation The second equation is: \[ 68 \times 28 = 64 \] Breaking it down: - Multiply the digits of the first number: \[ 6 \times 8 = 48 \] - Multiply the digits of the second number: \[ 2 \times 8 = 16 \] - Now, add the two results together: \[ 48 + 16 = 64 \] ### Step 3: Apply the same logic to the third equation Now, we will apply the same logic to the third equation: \[ 79 \times 45 = ? \] Breaking it down: - Multiply the digits of the first number: \[ 7 \times 9 = 63 \] - Multiply the digits of the second number: \[ 4 \times 5 = 20 \] - Now, add the two results together: \[ 63 + 20 = 83 \] ### Conclusion Thus, the answer to the equation \( 79 \times 45 \) is: \[ 79 \times 45 = 83 \] ### Final Answer The correct answer is **83**. ---
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