Question

The estimated difference of 759 and 412 is

Answer 1

First :-

Difference between 759 and 412.

$759\,-\,412\,=\,347$

Now, Estimating this we will get 350. As it was not written that we have to estimate to nearest 10 or 100. So, we will estimate it to nearest 10. While estimating to nearest 10, we will look at the ones digit, if it is lees than 5 than we will go back and if it is more than 5 we will go forward.

Now,

The answer is 347, And the last digit is 7 more than 5 So, we will go forward.

And your required answer is :-

350

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