Question
Download Solution PDFजर 4x3 ही तीन अंकी संख्या 984 या दुसर्या तीन अंकी संख्येत मिळवल्यास 13y7 ही चार अंकी संख्या मिळते जी 11 ने विभाज्य आहे, तर (x + y) = ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFवापरलेली संकल्पना:
11 चा विभाज्यता नियम:
जर एखाद्या संख्येच्या एकांतरित अंकांच्या बेरजेचा फरक 11 ने विभाज्य असेल, तर ती संख्या 11 ने पूर्णत: विभाज्य आहे.
गणना:
13y7 ही 11 ने विभाज्य आहे,
म्हणून, 13y7 = 1 + y = 3 + 7
⇒ y = 10 - 1 = 9
ती संख्या 1397 आहे.
प्रश्नानुसार,
4x3 + 984 = 1397
⇒ 4x3 = 1397 - 984
⇒ 4x3 = 413
⇒ x = 1
आता, (x + y) = 1 + 9 = 10
∴ (x + y) = 10
Last updated on Jun 30, 2025
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