Question

the addition 457 + 982 + 896 = 2345 is incorrect. what is the least digit that can be changed to make the addition correct? . 2 4 5 6

Answer 1

111 is added to 2345 to change it into 2456

Answer 2

Correct result of addition is 2335.

Option (b) is correct.

Given:

• 457 + 982 + 896 = 2345 is incorrect.

To find:

• What is the least digit that can be changed to make the addition correct?
• a) 2
• b) 4
• c) 5
• d) 6

Solution:

Step 1:

Calculate the addition of given numbers.

$\: 457 \\ \: 982 \\ + 896 \\ - - - - - - \\ 2335 \\ - - - - -$

Thus,

The addition of given numbers is 2335.

Step 2:

Compare the actual result.

The given result is 2345, but the actual result of addition is 2335.

To correct it, The tens digit '4' should be replaced by 3.

Thus,

Correct result of addition is 2335.

Option (b) is correct.

Learn more:

1)Find the lcm of 25 ,90 and 180 by long division method and answer should be 900

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2) the lcm of two co prime number 4875 if one of the number 75 find the other number

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