Question
Download Solution PDFनिम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या मान आना चाहिए:
(12 x 12)3 ÷ (144 x 12)3 x (20736)2 = 12?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
(12 × 12)3 ÷ (144 × 12)3 × (20736)2 = 12?
प्रयुक्त सूत्र:
am ÷ an = am-n और (ab)n = an × bn
गणना:
(12 × 12)3 ÷ (144 × 12)3 × (20736)2 = 12?
⇒ (122)3 ÷ (122 × 12)3 × (124)2 = 12?
⇒ 126 ÷ 129 × (124)2 = 12?
⇒ 126 ÷ 129 × (124)2 = 12?
⇒ 126 ÷ 129 × 128 = 12?
⇒ 126 - 9 + 8 = 12?
⇒ 125 = 12?
⇒ ? = 5
इसलिए, सही उत्तर विकल्प (1) है।
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