MCQ
By what number $9\frac{4}{5}$ be multiplied to get $42?$
  • $\frac{30}{7}$
  • B
    $\frac{7}{30}$
  • C
    $4\frac{1}{7}$
  • D
    $4\frac{3}{7}$

Answer

Correct option: A.
$\frac{30}{7}$
Product of two numbers $= 42$
One of the numbers $=9\frac{4}{5}=\frac{49}{5}$
$\therefore$ Other number = Product of two numbers $\div$ One of the numbers
$=42\div\frac{49}{5}$
$=\frac{42}{1}\times\frac{5}{49}$
$=\frac{6\times5}{1\times7}$
$=\frac{30}{7}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free