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0.8 और 0.2 का तृतीयानुपातिक ज्ञात करे।A. 0.05B. 0.8C. 0.4D. 0.032 |
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Answer» Correct Answer - A `0.8x " " 0.2, " "x` (यदि a , b तथा c तीन संख्याएँ है ) then , a : b : c `b^(2)= axxc` c=third proportion Let, 0.8 : 0.2 : : 0.2 : x x be the third proportion `therefore 0.2xx0.2=x xx0.8` `(2)/(10)xx(2)/(10)=x xx(8)/(10)` `implies (4)/(8xx10)= x implies (1)/(20)=x` `implies 0.05 = x` |
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