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What approximate value should come in place of the question mark (7) in the following equation? 30.01% of 199.99 + 35.023% of 550.045 = ?— 540.078
Question

What approximate value should come in place of the question mark (7) in the following equation?
30.01% of 199.99 + 35.023% of 550.045 = ?— 540.078

A.

890

B.

580

C.

640

D.

790

Correct option is D

​Solution:

30% of 199.99 + 35.023% of 550.045 = ? - 540.078

=> 30.01% of 199.99 + 35.023% of 550.045 = ? - 540.078

=> 0.3001 × 199.99 + 0.35023 × 550.045 = ? - 540.078

=> 60.016999 + 192.64226035 + 540.078 = ?

=> ? = 792.737

792.737 ~ 790

Hence, the required value is 790.

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