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Q: What is the least number which when divided by 48, 60 and 72 leaves remainders of 39, 51 and 63 respectively.
  • A. 729
  • B. 711
  • C. 1431
  • D. 1429
Correct Answer: Option B - प्रश्नानुसार, 48 – 39 = 9 60 – 51 = 9 72 – 63 = 9 अत: अभीष्ट संख्या = (48, 60, 72) का ल.स. – 9 ⇒ 720 – 9 ⇒ 711
B. प्रश्नानुसार, 48 – 39 = 9 60 – 51 = 9 72 – 63 = 9 अत: अभीष्ट संख्या = (48, 60, 72) का ल.स. – 9 ⇒ 720 – 9 ⇒ 711

Explanations:

प्रश्नानुसार, 48 – 39 = 9 60 – 51 = 9 72 – 63 = 9 अत: अभीष्ट संख्या = (48, 60, 72) का ल.स. – 9 ⇒ 720 – 9 ⇒ 711