Question

What will come in the place of question mark (?) in the following given questions:

0.3 × 0.2 + 0.4 × 0.3 + ? = 413.18

A 403 Correct Answer Incorrect Answer
B 443 Correct Answer Incorrect Answer
C 423 Correct Answer Incorrect Answer
D 413 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

0.3 × 0.2 + 0.4 × 0.3 + ? = 413.18 0.06 +0.12 +? = 413.18 0.18 + ? = 413.18 ? = 413.18 - 0.18 = 413

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