29. यदि + + + 5 = 97 हो, तो ' _n का...
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29. यदि + + + 5 = 97 हो, तो ' _n का मान होगा। (1) 40 (242 (3) 44 (4) 46 (SSC डाटा एन्ट्री ऑपरेटर परीक्षा, 31.08.2008)

11th - 12th Class
Maths
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29. ( (2) n+frac{2 n}{3}+frac{n}{2}+frac{n}{7}=97 ) ( Rightarrow frac{42 n+28 n+21 n+6 n}{42}=97 ) ( Rightarrow frac{97 n}{42}=97 ) ( Rightarrow n=frac{97 times 42}{97}=42 )
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