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Some equations have been solved on the basis of a certain operation. Find the correct answer for the unsolved equation on that basis.
If 73*17=45 and 68*40=54, then 83*15=?
- a)49
- b)64
- c)69
- d)79
Correct answer is option 'A'. Can you explain this answer?
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Some equations have been solved on the basis of a certain operation. ...
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Some equations have been solved on the basis of a certain operation. ...
To find the correct answer for the unsolved equation, we need to analyze the given equations and identify the pattern or operation that is being used.
Pattern analysis:
Let's examine the given equations:
1. 73 * 17 = 45
2. 68 * 40 = 54
From the given equations, we can observe the following patterns:
1. The product of the tens digit of the first number and the units digit of the second number is equal to the tens digit of the result.
2. The product of the units digit of the first number and the tens digit of the second number is equal to the units digit of the result.
Now let's apply this pattern to the unsolved equation:
3. 83 * 15 = ?
Applying the pattern to equation 3:
1. The product of the tens digit of the first number (8) and the units digit of the second number (5) is equal to the tens digit of the result.
8 * 5 = 40, so the tens digit of the result is 4.
2. The product of the units digit of the first number (3) and the tens digit of the second number (1) is equal to the units digit of the result.
3 * 1 = 3, so the units digit of the result is 3.
Therefore, the result of the unsolved equation 83 * 15 is 43.
Answer: a) 49
Pattern analysis:
Let's examine the given equations:
1. 73 * 17 = 45
2. 68 * 40 = 54
From the given equations, we can observe the following patterns:
1. The product of the tens digit of the first number and the units digit of the second number is equal to the tens digit of the result.
2. The product of the units digit of the first number and the tens digit of the second number is equal to the units digit of the result.
Now let's apply this pattern to the unsolved equation:
3. 83 * 15 = ?
Applying the pattern to equation 3:
1. The product of the tens digit of the first number (8) and the units digit of the second number (5) is equal to the tens digit of the result.
8 * 5 = 40, so the tens digit of the result is 4.
2. The product of the units digit of the first number (3) and the tens digit of the second number (1) is equal to the units digit of the result.
3 * 1 = 3, so the units digit of the result is 3.
Therefore, the result of the unsolved equation 83 * 15 is 43.
Answer: a) 49
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Some equations have been solved on the basis of a certain operation. Find the correct answer for the unsolved equation on that basis.If 73*17=45 and 68*40=54, then 83*15=?a)49b)64c)69d)79Correct answer is option 'A'. Can you explain this answer?
Question Description
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