Question

Q9 . By what number should 19/4
be multiplied to get 21/4​

Answer 1

Step-by-step explanation:

What number should we multiply 8/3 so that the product may be 24?

Let the number x be multiplied with 8/3. Accordingly

x × 8/3 = 24

8x/3 = 24

Cross multiplication

8x = 3 × 24

8x = 72

x = 72/8

x = 9

Thus the number 9 to be multiplied with 8/3 to get the product as 24.

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Answer 2

21/19

Step-by-step explanation:

$\frac{21}{4} \div \frac{19}{4}$

Reciprocal of 19/4= 4/19

$\frac{21}{4} \times \frac{4}{19}$

$\frac{21}{19} ans$

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