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Find the value of (0.868×0.237+0.686×0.763)(0.7×0.936+0.7×0.064)\frac{(0.868×0.237+0.686×0.763)}{(0.7×0.936+0.7×0.064)}(0.7×0.936+0.7×0.064)(0.86
Question

Find the value of (0.868×0.237+0.686×0.763)(0.7×0.936+0.7×0.064)\frac{(0.868×0.237+0.686×0.763)}{(0.7×0.936+0.7×0.064)}​​

A.

0.124

B.

12.4

C.

1.042

D.

1.24

Correct option is C

Given:
The value=0.868×0.237+0.686×0.7630.7×0.936+0.7×0.064 \frac{0.868 × 0.237 + 0.686 × 0.763 }{0.7 × 0.936 + 0.7 × 0.064}​​
Solution:
0.868×0.237=0.205716 0.686×0.763=0.523418 0.7×0.936=0.6552 0.7×0.064=0.0448 =0.205716+0.5234180.0448+0.6552 =0.7291340.7 =1.041590.868\times0.237=0.205716 \\\ \\0.686\times0.763=0.523418 \\\ \\0.7\times0.936=0.6552 \\\ \\0.7\times0.064=0.0448 \\\ \\= \frac{0.205716 + 0.523418 }{0.0448 +0.6552}\\\ \\= \frac{0.729134}{0.7} \\\ \\ = 1.04159​​

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