Out of 70 questions- if 3-7 questions are done- then how many questions are remaining-

Fraction of questions completed nbsp;=3/7 Number nbsp;of questions completed = 3/7× 70 = 3 × 10 = 30 nbsp; Number of questions remaining = 70 30 = 40 ...

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Standard V

Mathematics

Introduction to Percentage

Out of 70 que...

Question

Out of 70 questions, if $\frac{3}{7}$ questions are done, then how many questions are remaining?

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Solution

The correct option is B 40
Fraction of questions completed $= \frac{3}{7}$
Number of questions completed $= \frac{3}{7} \times 70 = 3 \times 10 = 30$
Number of questions remaining $= 70 - 30 = 40$

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Out of 70 questions, if 37 questions are done, then how many questions are remaining?

The correct option is B 40Fraction of questions completed =37 Number of questions completed =37×70=3×10=30 Number of questions remaining =70−30=40

Out of 70 questions, if $\frac{3}{7}$ questions are done, then how many questions are remaining?

The correct option is B 40
Fraction of questions completed $= \frac{3}{7}$
Number of questions completed $= \frac{3}{7} \times 70 = 3 \times 10 = 30$
Number of questions remaining $= 70 - 30 = 40$