Instructions

What approximate value should come in place of the question mark (?) in the following questions? You are not expected to calculate the exact value.

Question 217

6888.009-487.999-87.898=?

Solution

In questions like this, the onus is on solving questions with a good level of accuracy.

Note that $$6888.009 \approx 6888$$

$$487.999 \approx 488$$

$$87.898 \approx 88$$

So, the expression equals $$6888 - 488 - 88 = 6888 - 576 = 6312 \approx 6310$$

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