Question 77

If 7/8th of 5/4th of a number is 315, then 5/9th of that number is _____ .

Solution

Let the number be $$x$$

=> $$\frac{7}{8} \times \frac{5}{4} \times x = 315$$

=> $$x = 9 \times 8 \times 4 = 32 \times 9$$

$$\therefore$$ 5/9th of the number = $$\frac{5}{9} \times 32 \times 9$$

= 160

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