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Q.

If x= 4 9 , y= 5 12 , and z= 7 18 and , then compute (x÷y)×z , then compute .


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a

56 105

b

56 105

c

105 56

d

105 56  

answer is A.

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Detailed Solution

Here, we are given that x= 4 9 , y= 5 12 and z= 7 18 , and we have to compute (x÷y)×z .
So, substituting the values for x, y and z in (x÷y)×z , we get,
4 9 ÷ 5 12 × 7 18 = 4 9 × 12 5 × 7 18 = 16 15 × 7 18
Now, we will compute the product and simplify further as follows,
16 15 × 7 18 =× (16)×7 15×18 = (8)×7 15×9 = 56 105
So, the value of x÷(y÷z) at x= 4 9 , y= 5 12 and z= 7 18 is obtained as 56 105 .
Hence, the correct option is (1)
 
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