Instructions

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

Question 71

29 % of 3420 + 17% of 388 - 310 =?

Solution

Expression : 29 % of 3420 + 17% of 388 - 310 =?

= $$(\frac{29}{100} \times 3420) + (\frac{17}{100} \times 388) - 310$$

= $$991.8 + 65.96 - 310$$

= $$747.76 \approx 750$$

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