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Chapter - 0 Examination Wise | ||
2023 March 14 | Second Shift | Question No 21 | |
Explanation | व्याख्या |
Option (c) is correct. Ages of two sisters A and B = 7:6 So, A = 7x B = 6x After 12 years, their ages will be A = 7x + 12 B = 6x + 12 So, (7x+12)/(6x+12) = 9/8 56x + 96 = 54x + 108 2x = 12 x = 6 Hence, difference between their ages = 7x – 6x = x = 6 years. विकल्प (c) सही है। दो बहनों A और B की आयु = 7:6 अतः, A = 7x B = 6x 12 वर्षों के बाद, उनकी आयु क्या होगी? A = 7x + 12 B = 6x + 12 तो, (7x+12)/(6x+12) = 9/8 56x + 96 = 54x + 108 2x = 12 x = 6 इसलिए, उनकी उम्र के बीच का अंतर = 7x – 6x = x = 6 वर्ष। |
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